./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem11_label32.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 35987657 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/eca-rers2012/Problem11_label32.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ba084f2fa236db54388aca511060366bb6c01451f2201814c167025a30650a8b --- Real Ultimate output --- This is Ultimate 0.2.2-?-3598765 [2022-07-20 23:40:47,392 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-20 23:40:47,395 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-20 23:40:47,433 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-20 23:40:47,434 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-20 23:40:47,435 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-20 23:40:47,440 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-20 23:40:47,442 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-20 23:40:47,444 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-20 23:40:47,448 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-20 23:40:47,449 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-20 23:40:47,453 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-20 23:40:47,453 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-20 23:40:47,455 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-20 23:40:47,456 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-20 23:40:47,457 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-20 23:40:47,458 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-20 23:40:47,459 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-20 23:40:47,462 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-20 23:40:47,467 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-20 23:40:47,468 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-20 23:40:47,469 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-20 23:40:47,471 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-20 23:40:47,471 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-20 23:40:47,473 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-20 23:40:47,479 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-20 23:40:47,479 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-20 23:40:47,479 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-20 23:40:47,480 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-20 23:40:47,480 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-20 23:40:47,481 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-20 23:40:47,482 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-20 23:40:47,483 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-20 23:40:47,484 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-20 23:40:47,485 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-20 23:40:47,486 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-20 23:40:47,486 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-20 23:40:47,487 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-20 23:40:47,487 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-20 23:40:47,487 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-20 23:40:47,488 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-20 23:40:47,489 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-20 23:40:47,496 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-07-20 23:40:47,533 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-20 23:40:47,534 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-20 23:40:47,534 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-20 23:40:47,534 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-20 23:40:47,535 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-20 23:40:47,535 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-20 23:40:47,536 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-20 23:40:47,536 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-20 23:40:47,536 INFO L138 SettingsManager]: * Use SBE=true [2022-07-20 23:40:47,537 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-20 23:40:47,537 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-20 23:40:47,538 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-20 23:40:47,538 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-20 23:40:47,538 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-20 23:40:47,538 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-20 23:40:47,538 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-20 23:40:47,539 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-20 23:40:47,539 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-20 23:40:47,539 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-20 23:40:47,539 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-20 23:40:47,539 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-20 23:40:47,540 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-20 23:40:47,540 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-20 23:40:47,540 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-20 23:40:47,540 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 23:40:47,541 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-20 23:40:47,541 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-20 23:40:47,541 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-20 23:40:47,541 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-20 23:40:47,541 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-20 23:40:47,542 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-20 23:40:47,542 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-20 23:40:47,542 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-20 23:40:47,542 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ba084f2fa236db54388aca511060366bb6c01451f2201814c167025a30650a8b [2022-07-20 23:40:47,847 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-20 23:40:47,863 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-20 23:40:47,866 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-20 23:40:47,866 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-20 23:40:47,872 INFO L275 PluginConnector]: CDTParser initialized [2022-07-20 23:40:47,873 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem11_label32.c [2022-07-20 23:40:47,921 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/28f3228a7/d5aed90aea864b4e89cef1d1b1d54be0/FLAG910cbb45e [2022-07-20 23:40:48,465 INFO L306 CDTParser]: Found 1 translation units. [2022-07-20 23:40:48,465 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem11_label32.c [2022-07-20 23:40:48,483 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/28f3228a7/d5aed90aea864b4e89cef1d1b1d54be0/FLAG910cbb45e [2022-07-20 23:40:48,739 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/28f3228a7/d5aed90aea864b4e89cef1d1b1d54be0 [2022-07-20 23:40:48,741 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-20 23:40:48,742 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-20 23:40:48,744 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-20 23:40:48,744 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-20 23:40:48,752 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-20 23:40:48,752 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 11:40:48" (1/1) ... [2022-07-20 23:40:48,753 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@725c2422 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:40:48, skipping insertion in model container [2022-07-20 23:40:48,754 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 11:40:48" (1/1) ... [2022-07-20 23:40:48,759 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-20 23:40:48,808 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-20 23:40:49,009 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem11_label32.c[5857,5870] [2022-07-20 23:40:49,246 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 23:40:49,252 INFO L203 MainTranslator]: Completed pre-run [2022-07-20 23:40:49,286 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem11_label32.c[5857,5870] [2022-07-20 23:40:49,416 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 23:40:49,429 INFO L208 MainTranslator]: Completed translation [2022-07-20 23:40:49,429 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:40:49 WrapperNode [2022-07-20 23:40:49,429 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-20 23:40:49,430 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-20 23:40:49,431 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-20 23:40:49,431 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-20 23:40:49,436 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:40:49" (1/1) ... [2022-07-20 23:40:49,455 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:40:49" (1/1) ... [2022-07-20 23:40:49,536 INFO L137 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 999 [2022-07-20 23:40:49,537 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-20 23:40:49,537 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-20 23:40:49,537 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-20 23:40:49,538 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-20 23:40:49,544 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:40:49" (1/1) ... [2022-07-20 23:40:49,545 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:40:49" (1/1) ... [2022-07-20 23:40:49,553 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:40:49" (1/1) ... [2022-07-20 23:40:49,553 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:40:49" (1/1) ... [2022-07-20 23:40:49,610 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:40:49" (1/1) ... [2022-07-20 23:40:49,619 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:40:49" (1/1) ... [2022-07-20 23:40:49,652 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:40:49" (1/1) ... [2022-07-20 23:40:49,668 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-20 23:40:49,669 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-20 23:40:49,670 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-20 23:40:49,670 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-20 23:40:49,671 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:40:49" (1/1) ... [2022-07-20 23:40:49,676 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 23:40:49,684 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-20 23:40:49,696 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-20 23:40:49,717 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-20 23:40:49,736 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-20 23:40:49,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-20 23:40:49,736 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-20 23:40:49,737 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-20 23:40:49,803 INFO L234 CfgBuilder]: Building ICFG [2022-07-20 23:40:49,804 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-20 23:40:50,977 INFO L275 CfgBuilder]: Performing block encoding [2022-07-20 23:40:50,985 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-20 23:40:50,985 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-07-20 23:40:50,987 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 11:40:50 BoogieIcfgContainer [2022-07-20 23:40:50,987 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-20 23:40:50,988 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-20 23:40:50,989 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-20 23:40:50,991 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-20 23:40:50,991 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 11:40:48" (1/3) ... [2022-07-20 23:40:50,992 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42489026 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 11:40:50, skipping insertion in model container [2022-07-20 23:40:50,992 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:40:49" (2/3) ... [2022-07-20 23:40:50,992 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42489026 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 11:40:50, skipping insertion in model container [2022-07-20 23:40:50,992 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 11:40:50" (3/3) ... [2022-07-20 23:40:50,993 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem11_label32.c [2022-07-20 23:40:51,005 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-20 23:40:51,006 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-20 23:40:51,049 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-20 23:40:51,054 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@6dfeb0bc, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@2011d64a [2022-07-20 23:40:51,054 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-20 23:40:51,059 INFO L276 IsEmpty]: Start isEmpty. Operand has 283 states, 281 states have (on average 1.7153024911032029) internal successors, (482), 282 states have internal predecessors, (482), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:40:51,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-07-20 23:40:51,065 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 23:40:51,065 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 23:40:51,066 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 23:40:51,070 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 23:40:51,070 INFO L85 PathProgramCache]: Analyzing trace with hash 2102454322, now seen corresponding path program 1 times [2022-07-20 23:40:51,077 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 23:40:51,077 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [88323925] [2022-07-20 23:40:51,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 23:40:51,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 23:40:51,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 23:40:51,353 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-20 23:40:51,354 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 23:40:51,354 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [88323925] [2022-07-20 23:40:51,355 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [88323925] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 23:40:51,355 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 23:40:51,355 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-20 23:40:51,357 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [890124755] [2022-07-20 23:40:51,357 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 23:40:51,361 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 23:40:51,362 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 23:40:51,389 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 23:40:51,390 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 23:40:51,395 INFO L87 Difference]: Start difference. First operand has 283 states, 281 states have (on average 1.7153024911032029) internal successors, (482), 282 states have internal predecessors, (482), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 2 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:40:52,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 23:40:52,405 INFO L93 Difference]: Finished difference Result 761 states and 1345 transitions. [2022-07-20 23:40:52,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 23:40:52,408 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 2 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 40 [2022-07-20 23:40:52,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 23:40:52,421 INFO L225 Difference]: With dead ends: 761 [2022-07-20 23:40:52,421 INFO L226 Difference]: Without dead ends: 413 [2022-07-20 23:40:52,427 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 23:40:52,430 INFO L413 NwaCegarLoop]: 190 mSDtfsCounter, 188 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 596 mSolverCounterSat, 157 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 188 SdHoareTripleChecker+Valid, 222 SdHoareTripleChecker+Invalid, 753 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 157 IncrementalHoareTripleChecker+Valid, 596 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-07-20 23:40:52,431 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [188 Valid, 222 Invalid, 753 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [157 Valid, 596 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-07-20 23:40:52,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 413 states. [2022-07-20 23:40:52,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 413 to 413. [2022-07-20 23:40:52,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 413 states, 412 states have (on average 1.453883495145631) internal successors, (599), 412 states have internal predecessors, (599), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:40:52,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 413 states and 599 transitions. [2022-07-20 23:40:52,495 INFO L78 Accepts]: Start accepts. Automaton has 413 states and 599 transitions. Word has length 40 [2022-07-20 23:40:52,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 23:40:52,495 INFO L495 AbstractCegarLoop]: Abstraction has 413 states and 599 transitions. [2022-07-20 23:40:52,496 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 2 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:40:52,496 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 599 transitions. [2022-07-20 23:40:52,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-07-20 23:40:52,501 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 23:40:52,501 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 23:40:52,501 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-20 23:40:52,502 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 23:40:52,502 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 23:40:52,502 INFO L85 PathProgramCache]: Analyzing trace with hash 590745834, now seen corresponding path program 1 times [2022-07-20 23:40:52,502 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 23:40:52,503 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1035038818] [2022-07-20 23:40:52,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 23:40:52,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 23:40:52,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 23:40:52,657 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-20 23:40:52,657 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 23:40:52,657 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1035038818] [2022-07-20 23:40:52,658 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1035038818] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 23:40:52,658 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 23:40:52,658 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-20 23:40:52,658 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1318712831] [2022-07-20 23:40:52,658 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 23:40:52,660 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 23:40:52,661 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 23:40:52,661 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 23:40:52,662 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 23:40:52,662 INFO L87 Difference]: Start difference. First operand 413 states and 599 transitions. Second operand has 3 states, 3 states have (on average 36.0) internal successors, (108), 2 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:40:53,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 23:40:53,377 INFO L93 Difference]: Finished difference Result 1211 states and 1763 transitions. [2022-07-20 23:40:53,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 23:40:53,378 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 36.0) internal successors, (108), 2 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 108 [2022-07-20 23:40:53,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 23:40:53,382 INFO L225 Difference]: With dead ends: 1211 [2022-07-20 23:40:53,382 INFO L226 Difference]: Without dead ends: 800 [2022-07-20 23:40:53,388 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 23:40:53,389 INFO L413 NwaCegarLoop]: 101 mSDtfsCounter, 142 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 523 mSolverCounterSat, 148 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 120 SdHoareTripleChecker+Invalid, 671 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 148 IncrementalHoareTripleChecker+Valid, 523 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-07-20 23:40:53,390 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [142 Valid, 120 Invalid, 671 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [148 Valid, 523 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-07-20 23:40:53,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 800 states. [2022-07-20 23:40:53,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 800 to 789. [2022-07-20 23:40:53,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 789 states, 788 states have (on average 1.3743654822335025) internal successors, (1083), 788 states have internal predecessors, (1083), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:40:53,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 789 states to 789 states and 1083 transitions. [2022-07-20 23:40:53,425 INFO L78 Accepts]: Start accepts. Automaton has 789 states and 1083 transitions. Word has length 108 [2022-07-20 23:40:53,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 23:40:53,426 INFO L495 AbstractCegarLoop]: Abstraction has 789 states and 1083 transitions. [2022-07-20 23:40:53,426 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.0) internal successors, (108), 2 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:40:53,426 INFO L276 IsEmpty]: Start isEmpty. Operand 789 states and 1083 transitions. [2022-07-20 23:40:53,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-07-20 23:40:53,428 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 23:40:53,428 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 23:40:53,429 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-20 23:40:53,429 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 23:40:53,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 23:40:53,429 INFO L85 PathProgramCache]: Analyzing trace with hash 857011589, now seen corresponding path program 1 times [2022-07-20 23:40:53,430 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 23:40:53,430 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [943099843] [2022-07-20 23:40:53,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 23:40:53,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 23:40:53,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 23:40:53,611 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-20 23:40:53,612 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 23:40:53,612 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [943099843] [2022-07-20 23:40:53,612 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [943099843] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 23:40:53,613 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 23:40:53,613 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-20 23:40:53,613 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1287131096] [2022-07-20 23:40:53,613 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 23:40:53,614 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 23:40:53,614 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 23:40:53,614 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 23:40:53,614 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 23:40:53,615 INFO L87 Difference]: Start difference. First operand 789 states and 1083 transitions. Second operand has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 2 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:40:54,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 23:40:54,238 INFO L93 Difference]: Finished difference Result 1945 states and 2612 transitions. [2022-07-20 23:40:54,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 23:40:54,239 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 2 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-07-20 23:40:54,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 23:40:54,244 INFO L225 Difference]: With dead ends: 1945 [2022-07-20 23:40:54,244 INFO L226 Difference]: Without dead ends: 1158 [2022-07-20 23:40:54,245 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 23:40:54,246 INFO L413 NwaCegarLoop]: 168 mSDtfsCounter, 119 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 531 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 190 SdHoareTripleChecker+Invalid, 568 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 531 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-20 23:40:54,246 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [119 Valid, 190 Invalid, 568 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 531 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-20 23:40:54,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1158 states. [2022-07-20 23:40:54,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1158 to 1157. [2022-07-20 23:40:54,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1157 states, 1156 states have (on average 1.2707612456747406) internal successors, (1469), 1156 states have internal predecessors, (1469), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:40:54,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1157 states to 1157 states and 1469 transitions. [2022-07-20 23:40:54,301 INFO L78 Accepts]: Start accepts. Automaton has 1157 states and 1469 transitions. Word has length 110 [2022-07-20 23:40:54,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 23:40:54,301 INFO L495 AbstractCegarLoop]: Abstraction has 1157 states and 1469 transitions. [2022-07-20 23:40:54,301 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 2 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:40:54,302 INFO L276 IsEmpty]: Start isEmpty. Operand 1157 states and 1469 transitions. [2022-07-20 23:40:54,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2022-07-20 23:40:54,304 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 23:40:54,305 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 23:40:54,305 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-20 23:40:54,305 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 23:40:54,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 23:40:54,306 INFO L85 PathProgramCache]: Analyzing trace with hash -1721122937, now seen corresponding path program 1 times [2022-07-20 23:40:54,306 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 23:40:54,306 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [397349320] [2022-07-20 23:40:54,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 23:40:54,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 23:40:54,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 23:40:54,396 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-20 23:40:54,396 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 23:40:54,396 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [397349320] [2022-07-20 23:40:54,396 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [397349320] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 23:40:54,397 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 23:40:54,397 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 23:40:54,397 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2087004715] [2022-07-20 23:40:54,397 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 23:40:54,398 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 23:40:54,398 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 23:40:54,398 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 23:40:54,399 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 23:40:54,399 INFO L87 Difference]: Start difference. First operand 1157 states and 1469 transitions. Second operand has 3 states, 3 states have (on average 55.666666666666664) internal successors, (167), 3 states have internal predecessors, (167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:40:55,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 23:40:55,066 INFO L93 Difference]: Finished difference Result 2519 states and 3349 transitions. [2022-07-20 23:40:55,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 23:40:55,067 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 55.666666666666664) internal successors, (167), 3 states have internal predecessors, (167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 167 [2022-07-20 23:40:55,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 23:40:55,072 INFO L225 Difference]: With dead ends: 2519 [2022-07-20 23:40:55,072 INFO L226 Difference]: Without dead ends: 1548 [2022-07-20 23:40:55,073 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 23:40:55,074 INFO L413 NwaCegarLoop]: 290 mSDtfsCounter, 195 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 583 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 195 SdHoareTripleChecker+Valid, 322 SdHoareTripleChecker+Invalid, 634 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 583 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-20 23:40:55,075 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [195 Valid, 322 Invalid, 634 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 583 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-20 23:40:55,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1548 states. [2022-07-20 23:40:55,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1548 to 1545. [2022-07-20 23:40:55,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1545 states, 1544 states have (on average 1.2933937823834196) internal successors, (1997), 1544 states have internal predecessors, (1997), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:40:55,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1545 states to 1545 states and 1997 transitions. [2022-07-20 23:40:55,098 INFO L78 Accepts]: Start accepts. Automaton has 1545 states and 1997 transitions. Word has length 167 [2022-07-20 23:40:55,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 23:40:55,099 INFO L495 AbstractCegarLoop]: Abstraction has 1545 states and 1997 transitions. [2022-07-20 23:40:55,099 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 55.666666666666664) internal successors, (167), 3 states have internal predecessors, (167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:40:55,099 INFO L276 IsEmpty]: Start isEmpty. Operand 1545 states and 1997 transitions. [2022-07-20 23:40:55,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2022-07-20 23:40:55,102 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 23:40:55,102 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 23:40:55,102 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-20 23:40:55,103 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 23:40:55,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 23:40:55,103 INFO L85 PathProgramCache]: Analyzing trace with hash 1285696513, now seen corresponding path program 1 times [2022-07-20 23:40:55,103 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 23:40:55,104 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1278082641] [2022-07-20 23:40:55,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 23:40:55,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 23:40:55,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 23:40:55,225 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2022-07-20 23:40:55,225 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 23:40:55,225 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1278082641] [2022-07-20 23:40:55,225 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1278082641] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 23:40:55,226 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 23:40:55,226 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 23:40:55,226 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [374989837] [2022-07-20 23:40:55,226 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 23:40:55,227 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 23:40:55,227 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 23:40:55,227 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 23:40:55,228 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 23:40:55,228 INFO L87 Difference]: Start difference. First operand 1545 states and 1997 transitions. Second operand has 3 states, 3 states have (on average 51.333333333333336) internal successors, (154), 3 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:40:55,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 23:40:55,988 INFO L93 Difference]: Finished difference Result 3650 states and 4815 transitions. [2022-07-20 23:40:55,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 23:40:55,988 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 51.333333333333336) internal successors, (154), 3 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 222 [2022-07-20 23:40:55,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 23:40:55,997 INFO L225 Difference]: With dead ends: 3650 [2022-07-20 23:40:55,997 INFO L226 Difference]: Without dead ends: 2291 [2022-07-20 23:40:55,999 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 23:40:56,000 INFO L413 NwaCegarLoop]: 371 mSDtfsCounter, 157 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 596 mSolverCounterSat, 86 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 157 SdHoareTripleChecker+Valid, 392 SdHoareTripleChecker+Invalid, 682 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 86 IncrementalHoareTripleChecker+Valid, 596 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-07-20 23:40:56,001 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [157 Valid, 392 Invalid, 682 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [86 Valid, 596 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-07-20 23:40:56,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2291 states. [2022-07-20 23:40:56,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2291 to 2098. [2022-07-20 23:40:56,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2098 states, 2097 states have (on average 1.2675250357653791) internal successors, (2658), 2097 states have internal predecessors, (2658), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:40:56,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2098 states to 2098 states and 2658 transitions. [2022-07-20 23:40:56,032 INFO L78 Accepts]: Start accepts. Automaton has 2098 states and 2658 transitions. Word has length 222 [2022-07-20 23:40:56,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 23:40:56,033 INFO L495 AbstractCegarLoop]: Abstraction has 2098 states and 2658 transitions. [2022-07-20 23:40:56,034 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 51.333333333333336) internal successors, (154), 3 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:40:56,034 INFO L276 IsEmpty]: Start isEmpty. Operand 2098 states and 2658 transitions. [2022-07-20 23:40:56,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2022-07-20 23:40:56,037 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 23:40:56,037 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 23:40:56,037 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-20 23:40:56,038 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 23:40:56,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 23:40:56,038 INFO L85 PathProgramCache]: Analyzing trace with hash -1823656750, now seen corresponding path program 1 times [2022-07-20 23:40:56,038 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 23:40:56,039 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1570077816] [2022-07-20 23:40:56,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 23:40:56,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 23:40:56,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 23:40:56,150 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2022-07-20 23:40:56,150 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 23:40:56,150 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1570077816] [2022-07-20 23:40:56,150 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1570077816] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 23:40:56,151 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 23:40:56,151 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 23:40:56,151 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1897331027] [2022-07-20 23:40:56,151 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 23:40:56,152 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 23:40:56,152 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 23:40:56,152 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 23:40:56,152 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 23:40:56,153 INFO L87 Difference]: Start difference. First operand 2098 states and 2658 transitions. Second operand has 3 states, 3 states have (on average 51.333333333333336) internal successors, (154), 3 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:40:56,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 23:40:56,842 INFO L93 Difference]: Finished difference Result 5851 states and 7488 transitions. [2022-07-20 23:40:56,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 23:40:56,843 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 51.333333333333336) internal successors, (154), 3 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 228 [2022-07-20 23:40:56,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 23:40:56,854 INFO L225 Difference]: With dead ends: 5851 [2022-07-20 23:40:56,854 INFO L226 Difference]: Without dead ends: 3755 [2022-07-20 23:40:56,857 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 23:40:56,858 INFO L413 NwaCegarLoop]: 128 mSDtfsCounter, 171 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 572 mSolverCounterSat, 101 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 171 SdHoareTripleChecker+Valid, 144 SdHoareTripleChecker+Invalid, 673 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 101 IncrementalHoareTripleChecker+Valid, 572 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-07-20 23:40:56,858 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [171 Valid, 144 Invalid, 673 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [101 Valid, 572 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-07-20 23:40:56,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3755 states. [2022-07-20 23:40:56,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3755 to 3755. [2022-07-20 23:40:56,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3755 states, 3754 states have (on average 1.245338305807139) internal successors, (4675), 3754 states have internal predecessors, (4675), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:40:56,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3755 states to 3755 states and 4675 transitions. [2022-07-20 23:40:56,929 INFO L78 Accepts]: Start accepts. Automaton has 3755 states and 4675 transitions. Word has length 228 [2022-07-20 23:40:56,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 23:40:56,930 INFO L495 AbstractCegarLoop]: Abstraction has 3755 states and 4675 transitions. [2022-07-20 23:40:56,930 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 51.333333333333336) internal successors, (154), 3 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:40:56,930 INFO L276 IsEmpty]: Start isEmpty. Operand 3755 states and 4675 transitions. [2022-07-20 23:40:56,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2022-07-20 23:40:56,934 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 23:40:56,935 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 23:40:56,935 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-20 23:40:56,935 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 23:40:56,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 23:40:56,936 INFO L85 PathProgramCache]: Analyzing trace with hash -963193821, now seen corresponding path program 1 times [2022-07-20 23:40:56,936 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 23:40:56,936 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1559409080] [2022-07-20 23:40:56,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 23:40:56,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 23:40:56,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 23:40:57,042 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2022-07-20 23:40:57,043 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 23:40:57,043 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1559409080] [2022-07-20 23:40:57,043 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1559409080] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 23:40:57,044 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 23:40:57,044 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 23:40:57,044 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [876124003] [2022-07-20 23:40:57,044 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 23:40:57,045 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 23:40:57,045 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 23:40:57,045 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 23:40:57,045 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 23:40:57,046 INFO L87 Difference]: Start difference. First operand 3755 states and 4675 transitions. Second operand has 3 states, 3 states have (on average 54.666666666666664) internal successors, (164), 3 states have internal predecessors, (164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:40:57,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 23:40:57,802 INFO L93 Difference]: Finished difference Result 8622 states and 10849 transitions. [2022-07-20 23:40:57,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 23:40:57,802 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 54.666666666666664) internal successors, (164), 3 states have internal predecessors, (164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 259 [2022-07-20 23:40:57,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 23:40:57,817 INFO L225 Difference]: With dead ends: 8622 [2022-07-20 23:40:57,818 INFO L226 Difference]: Without dead ends: 4869 [2022-07-20 23:40:57,822 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 23:40:57,823 INFO L413 NwaCegarLoop]: 369 mSDtfsCounter, 156 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 586 mSolverCounterSat, 92 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 156 SdHoareTripleChecker+Valid, 391 SdHoareTripleChecker+Invalid, 678 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 92 IncrementalHoareTripleChecker+Valid, 586 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-07-20 23:40:57,823 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [156 Valid, 391 Invalid, 678 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [92 Valid, 586 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-07-20 23:40:57,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4869 states. [2022-07-20 23:40:57,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4869 to 4860. [2022-07-20 23:40:57,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4860 states, 4859 states have (on average 1.2251492076558963) internal successors, (5953), 4859 states have internal predecessors, (5953), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:40:57,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4860 states to 4860 states and 5953 transitions. [2022-07-20 23:40:57,905 INFO L78 Accepts]: Start accepts. Automaton has 4860 states and 5953 transitions. Word has length 259 [2022-07-20 23:40:57,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 23:40:57,905 INFO L495 AbstractCegarLoop]: Abstraction has 4860 states and 5953 transitions. [2022-07-20 23:40:57,906 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 54.666666666666664) internal successors, (164), 3 states have internal predecessors, (164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:40:57,906 INFO L276 IsEmpty]: Start isEmpty. Operand 4860 states and 5953 transitions. [2022-07-20 23:40:57,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 306 [2022-07-20 23:40:57,912 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 23:40:57,913 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 23:40:57,913 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-20 23:40:57,913 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 23:40:57,913 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 23:40:57,914 INFO L85 PathProgramCache]: Analyzing trace with hash 1306009242, now seen corresponding path program 1 times [2022-07-20 23:40:57,914 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 23:40:57,914 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [661218425] [2022-07-20 23:40:57,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 23:40:57,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 23:40:57,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 23:40:58,089 INFO L134 CoverageAnalysis]: Checked inductivity of 334 backedges. 113 proven. 0 refuted. 0 times theorem prover too weak. 221 trivial. 0 not checked. [2022-07-20 23:40:58,089 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 23:40:58,090 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [661218425] [2022-07-20 23:40:58,090 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [661218425] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 23:40:58,090 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 23:40:58,090 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 23:40:58,090 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1676069882] [2022-07-20 23:40:58,091 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 23:40:58,091 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 23:40:58,091 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 23:40:58,092 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 23:40:58,092 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 23:40:58,092 INFO L87 Difference]: Start difference. First operand 4860 states and 5953 transitions. Second operand has 3 states, 3 states have (on average 51.666666666666664) internal successors, (155), 3 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:40:58,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 23:40:58,780 INFO L93 Difference]: Finished difference Result 11005 states and 13678 transitions. [2022-07-20 23:40:58,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 23:40:58,781 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 51.666666666666664) internal successors, (155), 3 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 305 [2022-07-20 23:40:58,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 23:40:58,800 INFO L225 Difference]: With dead ends: 11005 [2022-07-20 23:40:58,800 INFO L226 Difference]: Without dead ends: 6147 [2022-07-20 23:40:58,806 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 23:40:58,807 INFO L413 NwaCegarLoop]: 125 mSDtfsCounter, 184 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 497 mSolverCounterSat, 133 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 184 SdHoareTripleChecker+Valid, 151 SdHoareTripleChecker+Invalid, 630 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 133 IncrementalHoareTripleChecker+Valid, 497 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-20 23:40:58,807 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [184 Valid, 151 Invalid, 630 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [133 Valid, 497 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-20 23:40:58,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6147 states. [2022-07-20 23:40:58,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6147 to 4853. [2022-07-20 23:40:58,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4853 states, 4852 states have (on average 1.224855729596043) internal successors, (5943), 4852 states have internal predecessors, (5943), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:40:58,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4853 states to 4853 states and 5943 transitions. [2022-07-20 23:40:58,911 INFO L78 Accepts]: Start accepts. Automaton has 4853 states and 5943 transitions. Word has length 305 [2022-07-20 23:40:58,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 23:40:58,911 INFO L495 AbstractCegarLoop]: Abstraction has 4853 states and 5943 transitions. [2022-07-20 23:40:58,912 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 51.666666666666664) internal successors, (155), 3 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:40:58,912 INFO L276 IsEmpty]: Start isEmpty. Operand 4853 states and 5943 transitions. [2022-07-20 23:40:58,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 325 [2022-07-20 23:40:58,920 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 23:40:58,920 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 23:40:58,921 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-07-20 23:40:58,923 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 23:40:58,923 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 23:40:58,923 INFO L85 PathProgramCache]: Analyzing trace with hash -114766810, now seen corresponding path program 1 times [2022-07-20 23:40:58,924 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 23:40:58,924 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [502340097] [2022-07-20 23:40:58,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 23:40:58,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 23:40:59,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 23:40:59,158 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 143 proven. 53 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-20 23:40:59,158 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 23:40:59,159 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [502340097] [2022-07-20 23:40:59,159 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [502340097] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-20 23:40:59,159 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1954871188] [2022-07-20 23:40:59,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 23:40:59,159 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-20 23:40:59,160 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-20 23:40:59,161 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-20 23:40:59,183 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-07-20 23:40:59,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 23:40:59,337 INFO L263 TraceCheckSpWp]: Trace formula consists of 445 conjuncts, 13 conjunts are in the unsatisfiable core [2022-07-20 23:40:59,349 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 23:41:00,771 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 143 proven. 53 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-20 23:41:00,772 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-20 23:41:02,457 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 143 proven. 53 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-20 23:41:02,458 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1954871188] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-20 23:41:02,458 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-20 23:41:02,458 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2022-07-20 23:41:02,459 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [257900839] [2022-07-20 23:41:02,459 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-20 23:41:02,460 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-20 23:41:02,460 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 23:41:02,461 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-20 23:41:02,461 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2022-07-20 23:41:02,462 INFO L87 Difference]: Start difference. First operand 4853 states and 5943 transitions. Second operand has 8 states, 8 states have (on average 73.25) internal successors, (586), 7 states have internal predecessors, (586), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:41:04,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 23:41:04,987 INFO L93 Difference]: Finished difference Result 13854 states and 16891 transitions. [2022-07-20 23:41:04,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-20 23:41:04,988 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 73.25) internal successors, (586), 7 states have internal predecessors, (586), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 324 [2022-07-20 23:41:04,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 23:41:05,014 INFO L225 Difference]: With dead ends: 13854 [2022-07-20 23:41:05,014 INFO L226 Difference]: Without dead ends: 9003 [2022-07-20 23:41:05,019 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 657 GetRequests, 643 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=75, Invalid=135, Unknown=0, NotChecked=0, Total=210 [2022-07-20 23:41:05,020 INFO L413 NwaCegarLoop]: 103 mSDtfsCounter, 842 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 2759 mSolverCounterSat, 535 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 842 SdHoareTripleChecker+Valid, 181 SdHoareTripleChecker+Invalid, 3294 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 535 IncrementalHoareTripleChecker+Valid, 2759 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-07-20 23:41:05,020 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [842 Valid, 181 Invalid, 3294 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [535 Valid, 2759 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-07-20 23:41:05,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9003 states. [2022-07-20 23:41:05,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9003 to 5035. [2022-07-20 23:41:05,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5035 states, 5034 states have (on average 1.22248708780294) internal successors, (6154), 5034 states have internal predecessors, (6154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:41:05,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5035 states to 5035 states and 6154 transitions. [2022-07-20 23:41:05,115 INFO L78 Accepts]: Start accepts. Automaton has 5035 states and 6154 transitions. Word has length 324 [2022-07-20 23:41:05,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 23:41:05,116 INFO L495 AbstractCegarLoop]: Abstraction has 5035 states and 6154 transitions. [2022-07-20 23:41:05,116 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 73.25) internal successors, (586), 7 states have internal predecessors, (586), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:41:05,116 INFO L276 IsEmpty]: Start isEmpty. Operand 5035 states and 6154 transitions. [2022-07-20 23:41:05,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 346 [2022-07-20 23:41:05,125 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 23:41:05,125 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 23:41:05,154 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-07-20 23:41:05,339 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-20 23:41:05,339 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 23:41:05,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 23:41:05,340 INFO L85 PathProgramCache]: Analyzing trace with hash 1735440730, now seen corresponding path program 1 times [2022-07-20 23:41:05,340 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 23:41:05,340 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2070777214] [2022-07-20 23:41:05,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 23:41:05,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 23:41:05,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 23:41:05,526 INFO L134 CoverageAnalysis]: Checked inductivity of 217 backedges. 217 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-20 23:41:05,527 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 23:41:05,527 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2070777214] [2022-07-20 23:41:05,527 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2070777214] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 23:41:05,527 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 23:41:05,527 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-20 23:41:05,528 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [165505536] [2022-07-20 23:41:05,528 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 23:41:05,528 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-20 23:41:05,528 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 23:41:05,529 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-20 23:41:05,529 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-07-20 23:41:05,529 INFO L87 Difference]: Start difference. First operand 5035 states and 6154 transitions. Second operand has 4 states, 4 states have (on average 86.25) internal successors, (345), 4 states have internal predecessors, (345), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:41:06,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 23:41:06,641 INFO L93 Difference]: Finished difference Result 13948 states and 17066 transitions. [2022-07-20 23:41:06,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-20 23:41:06,643 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 86.25) internal successors, (345), 4 states have internal predecessors, (345), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 345 [2022-07-20 23:41:06,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 23:41:06,661 INFO L225 Difference]: With dead ends: 13948 [2022-07-20 23:41:06,661 INFO L226 Difference]: Without dead ends: 8915 [2022-07-20 23:41:06,667 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-07-20 23:41:06,668 INFO L413 NwaCegarLoop]: 36 mSDtfsCounter, 250 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 1099 mSolverCounterSat, 237 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 250 SdHoareTripleChecker+Valid, 65 SdHoareTripleChecker+Invalid, 1336 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 237 IncrementalHoareTripleChecker+Valid, 1099 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-07-20 23:41:06,668 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [250 Valid, 65 Invalid, 1336 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [237 Valid, 1099 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-07-20 23:41:06,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8915 states. [2022-07-20 23:41:06,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8915 to 7441. [2022-07-20 23:41:06,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7441 states, 7440 states have (on average 1.1923387096774194) internal successors, (8871), 7440 states have internal predecessors, (8871), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:41:06,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7441 states to 7441 states and 8871 transitions. [2022-07-20 23:41:06,790 INFO L78 Accepts]: Start accepts. Automaton has 7441 states and 8871 transitions. Word has length 345 [2022-07-20 23:41:06,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 23:41:06,791 INFO L495 AbstractCegarLoop]: Abstraction has 7441 states and 8871 transitions. [2022-07-20 23:41:06,791 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 86.25) internal successors, (345), 4 states have internal predecessors, (345), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:41:06,792 INFO L276 IsEmpty]: Start isEmpty. Operand 7441 states and 8871 transitions. [2022-07-20 23:41:06,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 420 [2022-07-20 23:41:06,825 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 23:41:06,825 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 23:41:06,825 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-07-20 23:41:06,825 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 23:41:06,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 23:41:06,826 INFO L85 PathProgramCache]: Analyzing trace with hash -1765974553, now seen corresponding path program 1 times [2022-07-20 23:41:06,826 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 23:41:06,827 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1467668065] [2022-07-20 23:41:06,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 23:41:06,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 23:41:06,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 23:41:07,036 INFO L134 CoverageAnalysis]: Checked inductivity of 433 backedges. 329 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2022-07-20 23:41:07,037 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 23:41:07,037 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1467668065] [2022-07-20 23:41:07,037 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1467668065] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 23:41:07,037 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 23:41:07,037 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-20 23:41:07,037 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1156328492] [2022-07-20 23:41:07,038 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 23:41:07,038 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-20 23:41:07,038 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 23:41:07,039 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-20 23:41:07,039 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-07-20 23:41:07,046 INFO L87 Difference]: Start difference. First operand 7441 states and 8871 transitions. Second operand has 4 states, 4 states have (on average 79.0) internal successors, (316), 4 states have internal predecessors, (316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:41:08,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 23:41:08,141 INFO L93 Difference]: Finished difference Result 16170 states and 19194 transitions. [2022-07-20 23:41:08,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-20 23:41:08,142 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 79.0) internal successors, (316), 4 states have internal predecessors, (316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 419 [2022-07-20 23:41:08,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 23:41:08,155 INFO L225 Difference]: With dead ends: 16170 [2022-07-20 23:41:08,155 INFO L226 Difference]: Without dead ends: 8731 [2022-07-20 23:41:08,162 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-07-20 23:41:08,162 INFO L413 NwaCegarLoop]: 35 mSDtfsCounter, 251 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 1098 mSolverCounterSat, 195 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 251 SdHoareTripleChecker+Valid, 64 SdHoareTripleChecker+Invalid, 1293 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 195 IncrementalHoareTripleChecker+Valid, 1098 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-07-20 23:41:08,163 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [251 Valid, 64 Invalid, 1293 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [195 Valid, 1098 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-07-20 23:41:08,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8731 states. [2022-07-20 23:41:08,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8731 to 7441. [2022-07-20 23:41:08,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7441 states, 7440 states have (on average 1.1923387096774194) internal successors, (8871), 7440 states have internal predecessors, (8871), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:41:08,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7441 states to 7441 states and 8871 transitions. [2022-07-20 23:41:08,271 INFO L78 Accepts]: Start accepts. Automaton has 7441 states and 8871 transitions. Word has length 419 [2022-07-20 23:41:08,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 23:41:08,272 INFO L495 AbstractCegarLoop]: Abstraction has 7441 states and 8871 transitions. [2022-07-20 23:41:08,273 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 79.0) internal successors, (316), 4 states have internal predecessors, (316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:41:08,273 INFO L276 IsEmpty]: Start isEmpty. Operand 7441 states and 8871 transitions. [2022-07-20 23:41:08,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 420 [2022-07-20 23:41:08,287 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 23:41:08,288 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 23:41:08,288 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-07-20 23:41:08,288 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 23:41:08,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 23:41:08,289 INFO L85 PathProgramCache]: Analyzing trace with hash -361740358, now seen corresponding path program 1 times [2022-07-20 23:41:08,289 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 23:41:08,289 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [891345151] [2022-07-20 23:41:08,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 23:41:08,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 23:41:08,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 23:41:08,453 INFO L134 CoverageAnalysis]: Checked inductivity of 428 backedges. 390 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2022-07-20 23:41:08,453 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 23:41:08,453 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [891345151] [2022-07-20 23:41:08,453 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [891345151] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 23:41:08,453 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 23:41:08,454 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 23:41:08,454 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [952784711] [2022-07-20 23:41:08,454 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 23:41:08,455 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 23:41:08,455 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 23:41:08,455 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 23:41:08,455 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 23:41:08,456 INFO L87 Difference]: Start difference. First operand 7441 states and 8871 transitions. Second operand has 3 states, 3 states have (on average 127.33333333333333) internal successors, (382), 3 states have internal predecessors, (382), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:41:09,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 23:41:09,063 INFO L93 Difference]: Finished difference Result 15080 states and 17958 transitions. [2022-07-20 23:41:09,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 23:41:09,063 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 127.33333333333333) internal successors, (382), 3 states have internal predecessors, (382), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 419 [2022-07-20 23:41:09,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 23:41:09,074 INFO L225 Difference]: With dead ends: 15080 [2022-07-20 23:41:09,075 INFO L226 Difference]: Without dead ends: 7641 [2022-07-20 23:41:09,081 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 23:41:09,082 INFO L413 NwaCegarLoop]: 311 mSDtfsCounter, 107 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 546 mSolverCounterSat, 94 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 107 SdHoareTripleChecker+Valid, 329 SdHoareTripleChecker+Invalid, 640 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 94 IncrementalHoareTripleChecker+Valid, 546 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-20 23:41:09,082 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [107 Valid, 329 Invalid, 640 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [94 Valid, 546 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-20 23:41:09,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7641 states. [2022-07-20 23:41:09,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7641 to 7257. [2022-07-20 23:41:09,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7257 states, 7256 states have (on average 1.160005512679162) internal successors, (8417), 7256 states have internal predecessors, (8417), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:41:09,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7257 states to 7257 states and 8417 transitions. [2022-07-20 23:41:09,214 INFO L78 Accepts]: Start accepts. Automaton has 7257 states and 8417 transitions. Word has length 419 [2022-07-20 23:41:09,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 23:41:09,215 INFO L495 AbstractCegarLoop]: Abstraction has 7257 states and 8417 transitions. [2022-07-20 23:41:09,216 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 127.33333333333333) internal successors, (382), 3 states have internal predecessors, (382), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:41:09,216 INFO L276 IsEmpty]: Start isEmpty. Operand 7257 states and 8417 transitions. [2022-07-20 23:41:09,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 477 [2022-07-20 23:41:09,228 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 23:41:09,228 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 23:41:09,228 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-07-20 23:41:09,229 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 23:41:09,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 23:41:09,230 INFO L85 PathProgramCache]: Analyzing trace with hash 123583838, now seen corresponding path program 1 times [2022-07-20 23:41:09,230 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 23:41:09,230 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [819397647] [2022-07-20 23:41:09,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 23:41:09,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 23:41:09,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 23:41:09,419 INFO L134 CoverageAnalysis]: Checked inductivity of 514 backedges. 352 proven. 0 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2022-07-20 23:41:09,419 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 23:41:09,419 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [819397647] [2022-07-20 23:41:09,420 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [819397647] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 23:41:09,420 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 23:41:09,420 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-20 23:41:09,420 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [673731185] [2022-07-20 23:41:09,420 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 23:41:09,421 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 23:41:09,421 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 23:41:09,422 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 23:41:09,422 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 23:41:09,422 INFO L87 Difference]: Start difference. First operand 7257 states and 8417 transitions. Second operand has 3 states, 3 states have (on average 105.33333333333333) internal successors, (316), 2 states have internal predecessors, (316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:41:09,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 23:41:09,781 INFO L93 Difference]: Finished difference Result 14132 states and 16360 transitions. [2022-07-20 23:41:09,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 23:41:09,782 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 105.33333333333333) internal successors, (316), 2 states have internal predecessors, (316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 476 [2022-07-20 23:41:09,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 23:41:09,792 INFO L225 Difference]: With dead ends: 14132 [2022-07-20 23:41:09,792 INFO L226 Difference]: Without dead ends: 6877 [2022-07-20 23:41:09,799 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 23:41:09,800 INFO L413 NwaCegarLoop]: 37 mSDtfsCounter, 179 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 300 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 179 SdHoareTripleChecker+Valid, 37 SdHoareTripleChecker+Invalid, 303 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 300 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-07-20 23:41:09,800 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [179 Valid, 37 Invalid, 303 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 300 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-20 23:41:09,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6877 states. [2022-07-20 23:41:09,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6877 to 6875. [2022-07-20 23:41:09,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6875 states, 6874 states have (on average 1.1544951993017165) internal successors, (7936), 6874 states have internal predecessors, (7936), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:41:09,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6875 states to 6875 states and 7936 transitions. [2022-07-20 23:41:09,900 INFO L78 Accepts]: Start accepts. Automaton has 6875 states and 7936 transitions. Word has length 476 [2022-07-20 23:41:09,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 23:41:09,900 INFO L495 AbstractCegarLoop]: Abstraction has 6875 states and 7936 transitions. [2022-07-20 23:41:09,901 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 105.33333333333333) internal successors, (316), 2 states have internal predecessors, (316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:41:09,901 INFO L276 IsEmpty]: Start isEmpty. Operand 6875 states and 7936 transitions. [2022-07-20 23:41:09,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 493 [2022-07-20 23:41:09,911 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 23:41:09,911 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 23:41:09,912 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-07-20 23:41:09,912 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 23:41:09,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 23:41:09,912 INFO L85 PathProgramCache]: Analyzing trace with hash -1967892408, now seen corresponding path program 1 times [2022-07-20 23:41:09,913 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 23:41:09,913 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2025278748] [2022-07-20 23:41:09,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 23:41:09,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 23:41:09,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 23:41:10,111 INFO L134 CoverageAnalysis]: Checked inductivity of 515 backedges. 391 proven. 0 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2022-07-20 23:41:10,111 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 23:41:10,111 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2025278748] [2022-07-20 23:41:10,111 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2025278748] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 23:41:10,112 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 23:41:10,112 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 23:41:10,112 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1427066078] [2022-07-20 23:41:10,112 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 23:41:10,113 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 23:41:10,113 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 23:41:10,113 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 23:41:10,113 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 23:41:10,114 INFO L87 Difference]: Start difference. First operand 6875 states and 7936 transitions. Second operand has 3 states, 3 states have (on average 123.0) internal successors, (369), 3 states have internal predecessors, (369), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:41:10,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 23:41:10,614 INFO L93 Difference]: Finished difference Result 12621 states and 14535 transitions. [2022-07-20 23:41:10,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 23:41:10,615 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 123.0) internal successors, (369), 3 states have internal predecessors, (369), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 492 [2022-07-20 23:41:10,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 23:41:10,622 INFO L225 Difference]: With dead ends: 12621 [2022-07-20 23:41:10,622 INFO L226 Difference]: Without dead ends: 5748 [2022-07-20 23:41:10,628 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 23:41:10,629 INFO L413 NwaCegarLoop]: 106 mSDtfsCounter, 80 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 442 mSolverCounterSat, 124 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 123 SdHoareTripleChecker+Invalid, 566 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 124 IncrementalHoareTripleChecker+Valid, 442 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-07-20 23:41:10,629 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [80 Valid, 123 Invalid, 566 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [124 Valid, 442 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-07-20 23:41:10,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5748 states. [2022-07-20 23:41:10,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5748 to 4828. [2022-07-20 23:41:10,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4828 states, 4827 states have (on average 1.1247151439817693) internal successors, (5429), 4827 states have internal predecessors, (5429), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:41:10,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4828 states to 4828 states and 5429 transitions. [2022-07-20 23:41:10,683 INFO L78 Accepts]: Start accepts. Automaton has 4828 states and 5429 transitions. Word has length 492 [2022-07-20 23:41:10,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 23:41:10,684 INFO L495 AbstractCegarLoop]: Abstraction has 4828 states and 5429 transitions. [2022-07-20 23:41:10,684 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 123.0) internal successors, (369), 3 states have internal predecessors, (369), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:41:10,684 INFO L276 IsEmpty]: Start isEmpty. Operand 4828 states and 5429 transitions. [2022-07-20 23:41:10,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 671 [2022-07-20 23:41:10,694 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 23:41:10,695 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 23:41:10,695 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-07-20 23:41:10,696 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 23:41:10,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 23:41:10,697 INFO L85 PathProgramCache]: Analyzing trace with hash 1851466277, now seen corresponding path program 1 times [2022-07-20 23:41:10,697 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 23:41:10,697 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1910953766] [2022-07-20 23:41:10,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 23:41:10,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 23:41:10,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 23:41:10,913 INFO L134 CoverageAnalysis]: Checked inductivity of 1238 backedges. 848 proven. 0 refuted. 0 times theorem prover too weak. 390 trivial. 0 not checked. [2022-07-20 23:41:10,913 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 23:41:10,914 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1910953766] [2022-07-20 23:41:10,914 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1910953766] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 23:41:10,914 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 23:41:10,914 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 23:41:10,916 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [154772960] [2022-07-20 23:41:10,916 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 23:41:10,917 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-20 23:41:10,917 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 23:41:10,917 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-20 23:41:10,918 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-07-20 23:41:10,918 INFO L87 Difference]: Start difference. First operand 4828 states and 5429 transitions. Second operand has 4 states, 4 states have (on average 107.0) internal successors, (428), 3 states have internal predecessors, (428), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:41:11,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 23:41:11,795 INFO L93 Difference]: Finished difference Result 14635 states and 16469 transitions. [2022-07-20 23:41:11,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-20 23:41:11,795 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 107.0) internal successors, (428), 3 states have internal predecessors, (428), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 670 [2022-07-20 23:41:11,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 23:41:11,806 INFO L225 Difference]: With dead ends: 14635 [2022-07-20 23:41:11,806 INFO L226 Difference]: Without dead ends: 9809 [2022-07-20 23:41:11,812 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-07-20 23:41:11,813 INFO L413 NwaCegarLoop]: 26 mSDtfsCounter, 216 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 1032 mSolverCounterSat, 143 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 216 SdHoareTripleChecker+Valid, 54 SdHoareTripleChecker+Invalid, 1175 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 143 IncrementalHoareTripleChecker+Valid, 1032 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-07-20 23:41:11,813 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [216 Valid, 54 Invalid, 1175 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [143 Valid, 1032 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-07-20 23:41:11,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9809 states. [2022-07-20 23:41:11,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9809 to 9620. [2022-07-20 23:41:11,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9620 states, 9619 states have (on average 1.1143570017673354) internal successors, (10719), 9619 states have internal predecessors, (10719), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:41:11,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9620 states to 9620 states and 10719 transitions. [2022-07-20 23:41:11,974 INFO L78 Accepts]: Start accepts. Automaton has 9620 states and 10719 transitions. Word has length 670 [2022-07-20 23:41:11,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 23:41:11,975 INFO L495 AbstractCegarLoop]: Abstraction has 9620 states and 10719 transitions. [2022-07-20 23:41:11,975 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 107.0) internal successors, (428), 3 states have internal predecessors, (428), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:41:11,976 INFO L276 IsEmpty]: Start isEmpty. Operand 9620 states and 10719 transitions. [2022-07-20 23:41:11,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 749 [2022-07-20 23:41:11,994 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 23:41:11,994 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 23:41:11,995 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-07-20 23:41:11,995 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 23:41:11,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 23:41:11,995 INFO L85 PathProgramCache]: Analyzing trace with hash -1937440453, now seen corresponding path program 1 times [2022-07-20 23:41:11,996 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 23:41:11,996 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1216707147] [2022-07-20 23:41:11,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 23:41:11,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 23:41:12,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 23:41:12,222 INFO L134 CoverageAnalysis]: Checked inductivity of 1661 backedges. 987 proven. 0 refuted. 0 times theorem prover too weak. 674 trivial. 0 not checked. [2022-07-20 23:41:12,223 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 23:41:12,223 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1216707147] [2022-07-20 23:41:12,223 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1216707147] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 23:41:12,223 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 23:41:12,224 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 23:41:12,224 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1312717416] [2022-07-20 23:41:12,224 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 23:41:12,225 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 23:41:12,225 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 23:41:12,225 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 23:41:12,225 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 23:41:12,226 INFO L87 Difference]: Start difference. First operand 9620 states and 10719 transitions. Second operand has 3 states, 3 states have (on average 101.66666666666667) internal successors, (305), 3 states have internal predecessors, (305), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:41:12,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 23:41:12,873 INFO L93 Difference]: Finished difference Result 20341 states and 22719 transitions. [2022-07-20 23:41:12,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 23:41:12,874 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 101.66666666666667) internal successors, (305), 3 states have internal predecessors, (305), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 748 [2022-07-20 23:41:12,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 23:41:12,885 INFO L225 Difference]: With dead ends: 20341 [2022-07-20 23:41:12,885 INFO L226 Difference]: Without dead ends: 10170 [2022-07-20 23:41:12,892 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 23:41:12,893 INFO L413 NwaCegarLoop]: 321 mSDtfsCounter, 195 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 500 mSolverCounterSat, 90 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 195 SdHoareTripleChecker+Valid, 339 SdHoareTripleChecker+Invalid, 590 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 90 IncrementalHoareTripleChecker+Valid, 500 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-20 23:41:12,894 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [195 Valid, 339 Invalid, 590 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [90 Valid, 500 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-20 23:41:12,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10170 states. [2022-07-20 23:41:12,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10170 to 10170. [2022-07-20 23:41:13,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10170 states, 10169 states have (on average 1.0946995771462287) internal successors, (11132), 10169 states have internal predecessors, (11132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:41:13,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10170 states to 10170 states and 11132 transitions. [2022-07-20 23:41:13,013 INFO L78 Accepts]: Start accepts. Automaton has 10170 states and 11132 transitions. Word has length 748 [2022-07-20 23:41:13,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 23:41:13,014 INFO L495 AbstractCegarLoop]: Abstraction has 10170 states and 11132 transitions. [2022-07-20 23:41:13,014 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 101.66666666666667) internal successors, (305), 3 states have internal predecessors, (305), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:41:13,014 INFO L276 IsEmpty]: Start isEmpty. Operand 10170 states and 11132 transitions. [2022-07-20 23:41:13,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 839 [2022-07-20 23:41:13,032 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 23:41:13,032 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 23:41:13,032 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-07-20 23:41:13,033 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 23:41:13,037 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 23:41:13,037 INFO L85 PathProgramCache]: Analyzing trace with hash -707401101, now seen corresponding path program 1 times [2022-07-20 23:41:13,037 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 23:41:13,037 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1216677652] [2022-07-20 23:41:13,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 23:41:13,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 23:41:13,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 23:41:13,374 INFO L134 CoverageAnalysis]: Checked inductivity of 2009 backedges. 1453 proven. 0 refuted. 0 times theorem prover too weak. 556 trivial. 0 not checked. [2022-07-20 23:41:13,375 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 23:41:13,375 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1216677652] [2022-07-20 23:41:13,375 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1216677652] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 23:41:13,375 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 23:41:13,375 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 23:41:13,376 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [600048338] [2022-07-20 23:41:13,376 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 23:41:13,377 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 23:41:13,377 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 23:41:13,377 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 23:41:13,379 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 23:41:13,379 INFO L87 Difference]: Start difference. First operand 10170 states and 11132 transitions. Second operand has 3 states, 3 states have (on average 150.66666666666666) internal successors, (452), 3 states have internal predecessors, (452), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:41:13,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 23:41:13,954 INFO L93 Difference]: Finished difference Result 20887 states and 22855 transitions. [2022-07-20 23:41:13,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 23:41:13,955 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 150.66666666666666) internal successors, (452), 3 states have internal predecessors, (452), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 838 [2022-07-20 23:41:13,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 23:41:13,956 INFO L225 Difference]: With dead ends: 20887 [2022-07-20 23:41:13,956 INFO L226 Difference]: Without dead ends: 0 [2022-07-20 23:41:13,964 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 23:41:13,965 INFO L413 NwaCegarLoop]: 303 mSDtfsCounter, 53 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 525 mSolverCounterSat, 66 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 320 SdHoareTripleChecker+Invalid, 591 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 66 IncrementalHoareTripleChecker+Valid, 525 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-07-20 23:41:13,966 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 320 Invalid, 591 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [66 Valid, 525 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-07-20 23:41:13,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-07-20 23:41:13,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-07-20 23:41:13,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:41:13,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-07-20 23:41:13,967 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 838 [2022-07-20 23:41:13,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 23:41:13,967 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-20 23:41:13,968 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 150.66666666666666) internal successors, (452), 3 states have internal predecessors, (452), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:41:13,968 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-07-20 23:41:13,968 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-07-20 23:41:13,970 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-20 23:41:13,971 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-07-20 23:41:13,972 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-07-20 23:41:18,528 INFO L899 garLoopResultBuilder]: For program point L498(lines 498 509) no Hoare annotation was computed. [2022-07-20 23:41:18,528 INFO L899 garLoopResultBuilder]: For program point L432(lines 432 1034) no Hoare annotation was computed. [2022-07-20 23:41:18,528 INFO L899 garLoopResultBuilder]: For program point L498-2(lines 498 509) no Hoare annotation was computed. [2022-07-20 23:41:18,528 INFO L899 garLoopResultBuilder]: For program point L168-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:41:18,528 INFO L899 garLoopResultBuilder]: For program point L102-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:41:18,528 INFO L899 garLoopResultBuilder]: For program point L36-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:41:18,528 INFO L899 garLoopResultBuilder]: For program point L1027(lines 1027 1034) no Hoare annotation was computed. [2022-07-20 23:41:18,528 INFO L899 garLoopResultBuilder]: For program point L631(lines 631 1034) no Hoare annotation was computed. [2022-07-20 23:41:18,528 INFO L899 garLoopResultBuilder]: For program point L565(lines 565 1034) no Hoare annotation was computed. [2022-07-20 23:41:18,528 INFO L899 garLoopResultBuilder]: For program point L169(line 169) no Hoare annotation was computed. [2022-07-20 23:41:18,528 INFO L899 garLoopResultBuilder]: For program point L103(line 103) no Hoare annotation was computed. [2022-07-20 23:41:18,529 INFO L899 garLoopResultBuilder]: For program point L37(line 37) no Hoare annotation was computed. [2022-07-20 23:41:18,529 INFO L899 garLoopResultBuilder]: For program point L896(lines 896 1034) no Hoare annotation was computed. [2022-07-20 23:41:18,529 INFO L899 garLoopResultBuilder]: For program point L698(lines 698 1034) no Hoare annotation was computed. [2022-07-20 23:41:18,529 INFO L899 garLoopResultBuilder]: For program point L368(lines 368 1034) no Hoare annotation was computed. [2022-07-20 23:41:18,529 INFO L899 garLoopResultBuilder]: For program point L963(lines 963 1034) no Hoare annotation was computed. [2022-07-20 23:41:18,529 INFO L899 garLoopResultBuilder]: For program point L237(lines 237 1034) no Hoare annotation was computed. [2022-07-20 23:41:18,529 INFO L899 garLoopResultBuilder]: For program point L171-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:41:18,529 INFO L899 garLoopResultBuilder]: For program point L105-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:41:18,529 INFO L899 garLoopResultBuilder]: For program point L39-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:41:18,529 INFO L899 garLoopResultBuilder]: For program point L832(lines 832 1034) no Hoare annotation was computed. [2022-07-20 23:41:18,529 INFO L899 garLoopResultBuilder]: For program point L304(lines 304 1034) no Hoare annotation was computed. [2022-07-20 23:41:18,529 INFO L899 garLoopResultBuilder]: For program point L172(line 172) no Hoare annotation was computed. [2022-07-20 23:41:18,529 INFO L899 garLoopResultBuilder]: For program point L106(line 106) no Hoare annotation was computed. [2022-07-20 23:41:18,530 INFO L899 garLoopResultBuilder]: For program point L40(line 40) no Hoare annotation was computed. [2022-07-20 23:41:18,530 INFO L899 garLoopResultBuilder]: For program point L767(lines 767 1034) no Hoare annotation was computed. [2022-07-20 23:41:18,530 INFO L899 garLoopResultBuilder]: For program point L768(lines 768 778) no Hoare annotation was computed. [2022-07-20 23:41:18,530 INFO L899 garLoopResultBuilder]: For program point L768-2(lines 768 778) no Hoare annotation was computed. [2022-07-20 23:41:18,530 INFO L899 garLoopResultBuilder]: For program point L174-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:41:18,530 INFO L899 garLoopResultBuilder]: For program point L108-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:41:18,530 INFO L899 garLoopResultBuilder]: For program point L42-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:41:18,531 INFO L899 garLoopResultBuilder]: For program point L835(lines 835 1034) no Hoare annotation was computed. [2022-07-20 23:41:18,531 INFO L899 garLoopResultBuilder]: For program point L571(lines 571 1034) no Hoare annotation was computed. [2022-07-20 23:41:18,531 INFO L899 garLoopResultBuilder]: For program point L439(lines 439 1034) no Hoare annotation was computed. [2022-07-20 23:41:18,531 INFO L899 garLoopResultBuilder]: For program point L175(line 175) no Hoare annotation was computed. [2022-07-20 23:41:18,531 INFO L899 garLoopResultBuilder]: For program point L109(line 109) no Hoare annotation was computed. [2022-07-20 23:41:18,531 INFO L899 garLoopResultBuilder]: For program point L43(line 43) no Hoare annotation was computed. [2022-07-20 23:41:18,531 INFO L899 garLoopResultBuilder]: For program point L968(lines 968 1034) no Hoare annotation was computed. [2022-07-20 23:41:18,532 INFO L899 garLoopResultBuilder]: For program point L704(lines 704 1034) no Hoare annotation was computed. [2022-07-20 23:41:18,532 INFO L899 garLoopResultBuilder]: For program point L638(lines 638 1034) no Hoare annotation was computed. [2022-07-20 23:41:18,533 INFO L895 garLoopResultBuilder]: At program point L1035(lines 32 1036) the Hoare annotation is: (let ((.cse15 (+ ~a23~0 43))) (let ((.cse1 (<= ~a29~0 599999)) (.cse5 (= ~a25~0 11)) (.cse11 (<= 307 ~a23~0)) (.cse7 (= ~a25~0 12)) (.cse10 (<= ~a29~0 245)) (.cse2 (= ~a3~0 1)) (.cse3 (= ~a4~0 1)) (.cse0 (<= ~a25~0 10)) (.cse6 (<= ~a29~0 599998)) (.cse9 (= ~a25~0 13)) (.cse8 (= ~a4~0 0)) (.cse12 (<= (+ ~a29~0 22) 0)) (.cse14 (< 0 .cse15)) (.cse13 (<= ~a23~0 138)) (.cse4 (= ~a8~0 15))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse6 .cse3 .cse4) (and .cse7 .cse8 .cse6 .cse4) (and .cse9 .cse10 .cse3 .cse4) (and (or (and .cse9 .cse11) (and .cse9 .cse2)) .cse6 .cse3 .cse4) (and .cse5 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse6 .cse3 .cse4) (and .cse8 .cse5 .cse6 (<= ~a23~0 312) .cse4) (and .cse8 .cse12 .cse0 .cse4) (and .cse7 .cse11 .cse6 .cse2 .cse3 .cse4 (or (not (= |ULTIMATE.start_calculate_output_~input#1| 6)) (<= ~a29~0 277))) (and (<= (+ ~a29~0 21) 0) .cse7 .cse2 .cse3 .cse4) (and .cse7 .cse12 .cse3 .cse4) (and .cse8 .cse0 .cse10 .cse13 .cse4) (and .cse14 .cse0 .cse2 .cse13 .cse3 .cse4) (and (<= .cse15 0) .cse8 .cse0 .cse6 .cse4) (and .cse9 .cse8 .cse12 .cse14 .cse13 .cse4)))) [2022-07-20 23:41:18,533 INFO L899 garLoopResultBuilder]: For program point L903(lines 903 1034) no Hoare annotation was computed. [2022-07-20 23:41:18,533 INFO L899 garLoopResultBuilder]: For program point L705(lines 705 715) no Hoare annotation was computed. [2022-07-20 23:41:18,533 INFO L899 garLoopResultBuilder]: For program point L705-2(lines 705 715) no Hoare annotation was computed. [2022-07-20 23:41:18,533 INFO L899 garLoopResultBuilder]: For program point L375(lines 375 1034) no Hoare annotation was computed. [2022-07-20 23:41:18,533 INFO L899 garLoopResultBuilder]: For program point L309(lines 309 1034) no Hoare annotation was computed. [2022-07-20 23:41:18,533 INFO L899 garLoopResultBuilder]: For program point L243(lines 243 1034) no Hoare annotation was computed. [2022-07-20 23:41:18,533 INFO L899 garLoopResultBuilder]: For program point L177-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:41:18,533 INFO L899 garLoopResultBuilder]: For program point L111-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:41:18,533 INFO L899 garLoopResultBuilder]: For program point L45-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:41:18,533 INFO L899 garLoopResultBuilder]: For program point L178(line 178) no Hoare annotation was computed. [2022-07-20 23:41:18,534 INFO L899 garLoopResultBuilder]: For program point L112(line 112) no Hoare annotation was computed. [2022-07-20 23:41:18,534 INFO L899 garLoopResultBuilder]: For program point L46(line 46) no Hoare annotation was computed. [2022-07-20 23:41:18,534 INFO L902 garLoopResultBuilder]: At program point L1038(lines 1038 1054) the Hoare annotation is: true [2022-07-20 23:41:18,534 INFO L899 garLoopResultBuilder]: For program point L576(lines 576 1034) no Hoare annotation was computed. [2022-07-20 23:41:18,534 INFO L899 garLoopResultBuilder]: For program point L510(lines 510 1034) no Hoare annotation was computed. [2022-07-20 23:41:18,534 INFO L899 garLoopResultBuilder]: For program point L180-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:41:18,534 INFO L899 garLoopResultBuilder]: For program point L114-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:41:18,534 INFO L899 garLoopResultBuilder]: For program point L48-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:41:18,534 INFO L899 garLoopResultBuilder]: For program point L973(lines 973 1034) no Hoare annotation was computed. [2022-07-20 23:41:18,534 INFO L899 garLoopResultBuilder]: For program point L841(lines 841 1034) no Hoare annotation was computed. [2022-07-20 23:41:18,534 INFO L899 garLoopResultBuilder]: For program point L181(line 181) no Hoare annotation was computed. [2022-07-20 23:41:18,534 INFO L899 garLoopResultBuilder]: For program point L115(line 115) no Hoare annotation was computed. [2022-07-20 23:41:18,534 INFO L899 garLoopResultBuilder]: For program point L49(line 49) no Hoare annotation was computed. [2022-07-20 23:41:18,534 INFO L899 garLoopResultBuilder]: For program point L908(lines 908 1034) no Hoare annotation was computed. [2022-07-20 23:41:18,534 INFO L899 garLoopResultBuilder]: For program point L446(lines 446 1034) no Hoare annotation was computed. [2022-07-20 23:41:18,535 INFO L899 garLoopResultBuilder]: For program point L380(lines 380 1034) no Hoare annotation was computed. [2022-07-20 23:41:18,535 INFO L899 garLoopResultBuilder]: For program point L645(lines 645 1034) no Hoare annotation was computed. [2022-07-20 23:41:18,535 INFO L899 garLoopResultBuilder]: For program point L315(lines 315 1034) no Hoare annotation was computed. [2022-07-20 23:41:18,535 INFO L899 garLoopResultBuilder]: For program point L183-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:41:18,535 INFO L899 garLoopResultBuilder]: For program point L117-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:41:18,535 INFO L899 garLoopResultBuilder]: For program point L51-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:41:18,535 INFO L899 garLoopResultBuilder]: For program point L250(lines 250 1034) no Hoare annotation was computed. [2022-07-20 23:41:18,535 INFO L899 garLoopResultBuilder]: For program point L184(line 184) no Hoare annotation was computed. [2022-07-20 23:41:18,535 INFO L899 garLoopResultBuilder]: For program point L118(line 118) no Hoare annotation was computed. [2022-07-20 23:41:18,535 INFO L899 garLoopResultBuilder]: For program point L52(line 52) no Hoare annotation was computed. [2022-07-20 23:41:18,535 INFO L899 garLoopResultBuilder]: For program point L779(lines 779 1034) no Hoare annotation was computed. [2022-07-20 23:41:18,535 INFO L895 garLoopResultBuilder]: At program point L1044-2(lines 1044 1053) the Hoare annotation is: (let ((.cse15 (+ ~a23~0 43))) (let ((.cse1 (<= ~a29~0 599999)) (.cse5 (= ~a25~0 11)) (.cse11 (<= 307 ~a23~0)) (.cse7 (= ~a25~0 12)) (.cse10 (<= ~a29~0 245)) (.cse2 (= ~a3~0 1)) (.cse3 (= ~a4~0 1)) (.cse0 (<= ~a25~0 10)) (.cse6 (<= ~a29~0 599998)) (.cse9 (= ~a25~0 13)) (.cse8 (= ~a4~0 0)) (.cse12 (<= (+ ~a29~0 22) 0)) (.cse14 (< 0 .cse15)) (.cse13 (<= ~a23~0 138)) (.cse4 (= ~a8~0 15))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse6 .cse3 .cse4) (and .cse7 .cse8 .cse6 .cse4) (and .cse9 .cse10 .cse3 .cse4) (and (or (and .cse9 .cse11) (and .cse9 .cse2)) .cse6 .cse3 .cse4) (and .cse5 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse6 .cse3 .cse4) (and .cse8 .cse5 .cse6 (<= ~a23~0 312) .cse4) (and .cse8 .cse12 .cse0 .cse4) (and .cse7 .cse11 .cse6 .cse2 .cse3 .cse4 (or (not (= |ULTIMATE.start_calculate_output_~input#1| 6)) (<= ~a29~0 277))) (and (<= (+ ~a29~0 21) 0) .cse7 .cse2 .cse3 .cse4) (and .cse7 .cse12 .cse3 .cse4) (and .cse8 .cse0 .cse10 .cse13 .cse4) (and .cse14 .cse0 .cse2 .cse13 .cse3 .cse4) (and (<= .cse15 0) .cse8 .cse0 .cse6 .cse4) (and .cse9 .cse8 .cse12 .cse14 .cse13 .cse4)))) [2022-07-20 23:41:18,536 INFO L899 garLoopResultBuilder]: For program point L846(lines 846 1034) no Hoare annotation was computed. [2022-07-20 23:41:18,536 INFO L899 garLoopResultBuilder]: For program point L582(lines 582 1034) no Hoare annotation was computed. [2022-07-20 23:41:18,536 INFO L899 garLoopResultBuilder]: For program point L186-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:41:18,536 INFO L899 garLoopResultBuilder]: For program point L120-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:41:18,536 INFO L899 garLoopResultBuilder]: For program point L54-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:41:18,536 INFO L899 garLoopResultBuilder]: For program point L979(lines 979 1034) no Hoare annotation was computed. [2022-07-20 23:41:18,536 INFO L899 garLoopResultBuilder]: For program point L913(lines 913 1034) no Hoare annotation was computed. [2022-07-20 23:41:18,536 INFO L899 garLoopResultBuilder]: For program point L517(lines 517 1034) no Hoare annotation was computed. [2022-07-20 23:41:18,537 INFO L899 garLoopResultBuilder]: For program point L187(line 187) no Hoare annotation was computed. [2022-07-20 23:41:18,537 INFO L899 garLoopResultBuilder]: For program point L121(line 121) no Hoare annotation was computed. [2022-07-20 23:41:18,537 INFO L899 garLoopResultBuilder]: For program point L55(line 55) no Hoare annotation was computed. [2022-07-20 23:41:18,537 INFO L899 garLoopResultBuilder]: For program point L980(lines 980 990) no Hoare annotation was computed. [2022-07-20 23:41:18,537 INFO L899 garLoopResultBuilder]: For program point L914(lines 914 924) no Hoare annotation was computed. [2022-07-20 23:41:18,537 INFO L899 garLoopResultBuilder]: For program point L980-2(lines 980 990) no Hoare annotation was computed. [2022-07-20 23:41:18,537 INFO L899 garLoopResultBuilder]: For program point L914-2(lines 914 924) no Hoare annotation was computed. [2022-07-20 23:41:18,538 INFO L899 garLoopResultBuilder]: For program point L716(lines 716 1034) no Hoare annotation was computed. [2022-07-20 23:41:18,538 INFO L899 garLoopResultBuilder]: For program point L320(lines 320 1034) no Hoare annotation was computed. [2022-07-20 23:41:18,538 INFO L899 garLoopResultBuilder]: For program point L585(lines 585 1034) no Hoare annotation was computed. [2022-07-20 23:41:18,538 INFO L899 garLoopResultBuilder]: For program point L453(lines 453 1034) no Hoare annotation was computed. [2022-07-20 23:41:18,538 INFO L899 garLoopResultBuilder]: For program point L387(lines 387 1034) no Hoare annotation was computed. [2022-07-20 23:41:18,538 INFO L899 garLoopResultBuilder]: For program point L189-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:41:18,538 INFO L899 garLoopResultBuilder]: For program point L123-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:41:18,539 INFO L899 garLoopResultBuilder]: For program point L57-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:41:18,539 INFO L899 garLoopResultBuilder]: For program point L784(lines 784 1034) no Hoare annotation was computed. [2022-07-20 23:41:18,539 INFO L899 garLoopResultBuilder]: For program point L652(lines 652 1034) no Hoare annotation was computed. [2022-07-20 23:41:18,539 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-07-20 23:41:18,539 INFO L899 garLoopResultBuilder]: For program point L190(line 190) no Hoare annotation was computed. [2022-07-20 23:41:18,539 INFO L899 garLoopResultBuilder]: For program point L124(line 124) no Hoare annotation was computed. [2022-07-20 23:41:18,539 INFO L899 garLoopResultBuilder]: For program point L58(line 58) no Hoare annotation was computed. [2022-07-20 23:41:18,540 INFO L899 garLoopResultBuilder]: For program point L1049(line 1049) no Hoare annotation was computed. [2022-07-20 23:41:18,540 INFO L899 garLoopResultBuilder]: For program point L851(lines 851 1034) no Hoare annotation was computed. [2022-07-20 23:41:18,540 INFO L899 garLoopResultBuilder]: For program point L257(lines 257 1034) no Hoare annotation was computed. [2022-07-20 23:41:18,540 INFO L899 garLoopResultBuilder]: For program point L192-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:41:18,540 INFO L899 garLoopResultBuilder]: For program point L126-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:41:18,540 INFO L899 garLoopResultBuilder]: For program point L60-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:41:18,540 INFO L899 garLoopResultBuilder]: For program point L193(line 193) no Hoare annotation was computed. [2022-07-20 23:41:18,541 INFO L899 garLoopResultBuilder]: For program point L127(line 127) no Hoare annotation was computed. [2022-07-20 23:41:18,541 INFO L899 garLoopResultBuilder]: For program point L61(line 61) no Hoare annotation was computed. [2022-07-20 23:41:18,541 INFO L899 garLoopResultBuilder]: For program point L722(lines 722 1034) no Hoare annotation was computed. [2022-07-20 23:41:18,541 INFO L899 garLoopResultBuilder]: For program point L524(lines 524 1034) no Hoare annotation was computed. [2022-07-20 23:41:18,541 INFO L899 garLoopResultBuilder]: For program point L657(lines 657 1034) no Hoare annotation was computed. [2022-07-20 23:41:18,541 INFO L899 garLoopResultBuilder]: For program point L591(lines 591 1034) no Hoare annotation was computed. [2022-07-20 23:41:18,541 INFO L899 garLoopResultBuilder]: For program point L525(lines 525 535) no Hoare annotation was computed. [2022-07-20 23:41:18,542 INFO L899 garLoopResultBuilder]: For program point L525-2(lines 525 535) no Hoare annotation was computed. [2022-07-20 23:41:18,542 INFO L899 garLoopResultBuilder]: For program point L327(lines 327 1034) no Hoare annotation was computed. [2022-07-20 23:41:18,542 INFO L899 garLoopResultBuilder]: For program point L195-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:41:18,542 INFO L899 garLoopResultBuilder]: For program point L129-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:41:18,542 INFO L899 garLoopResultBuilder]: For program point L63-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:41:18,542 INFO L899 garLoopResultBuilder]: For program point L856(lines 856 1034) no Hoare annotation was computed. [2022-07-20 23:41:18,542 INFO L899 garLoopResultBuilder]: For program point L790(lines 790 1034) no Hoare annotation was computed. [2022-07-20 23:41:18,543 INFO L899 garLoopResultBuilder]: For program point L658(lines 658 667) no Hoare annotation was computed. [2022-07-20 23:41:18,543 INFO L899 garLoopResultBuilder]: For program point L658-2(lines 658 667) no Hoare annotation was computed. [2022-07-20 23:41:18,543 INFO L899 garLoopResultBuilder]: For program point L460(lines 460 1034) no Hoare annotation was computed. [2022-07-20 23:41:18,543 INFO L899 garLoopResultBuilder]: For program point L394(lines 394 1034) no Hoare annotation was computed. [2022-07-20 23:41:18,543 INFO L899 garLoopResultBuilder]: For program point L196(line 196) no Hoare annotation was computed. [2022-07-20 23:41:18,543 INFO L899 garLoopResultBuilder]: For program point L130(line 130) no Hoare annotation was computed. [2022-07-20 23:41:18,543 INFO L899 garLoopResultBuilder]: For program point L64(line 64) no Hoare annotation was computed. [2022-07-20 23:41:18,544 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-07-20 23:41:18,544 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 136) no Hoare annotation was computed. [2022-07-20 23:41:18,544 INFO L899 garLoopResultBuilder]: For program point L264(lines 264 1034) no Hoare annotation was computed. [2022-07-20 23:41:18,544 INFO L899 garLoopResultBuilder]: For program point L198-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:41:18,544 INFO L899 garLoopResultBuilder]: For program point L132-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:41:18,544 INFO L899 garLoopResultBuilder]: For program point L66-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:41:18,544 INFO L899 garLoopResultBuilder]: For program point L991(lines 991 1034) no Hoare annotation was computed. [2022-07-20 23:41:18,545 INFO L899 garLoopResultBuilder]: For program point L925(lines 925 1034) no Hoare annotation was computed. [2022-07-20 23:41:18,545 INFO L899 garLoopResultBuilder]: For program point L727(lines 727 1034) no Hoare annotation was computed. [2022-07-20 23:41:18,545 INFO L899 garLoopResultBuilder]: For program point L199(line 199) no Hoare annotation was computed. [2022-07-20 23:41:18,545 INFO L899 garLoopResultBuilder]: For program point L133(line 133) no Hoare annotation was computed. [2022-07-20 23:41:18,545 INFO L899 garLoopResultBuilder]: For program point L67(line 67) no Hoare annotation was computed. [2022-07-20 23:41:18,545 INFO L899 garLoopResultBuilder]: For program point L926(lines 926 936) no Hoare annotation was computed. [2022-07-20 23:41:18,545 INFO L899 garLoopResultBuilder]: For program point L926-2(lines 926 936) no Hoare annotation was computed. [2022-07-20 23:41:18,545 INFO L899 garLoopResultBuilder]: For program point L728(lines 728 740) no Hoare annotation was computed. [2022-07-20 23:41:18,545 INFO L899 garLoopResultBuilder]: For program point L728-2(lines 728 740) no Hoare annotation was computed. [2022-07-20 23:41:18,545 INFO L899 garLoopResultBuilder]: For program point L596(lines 596 1034) no Hoare annotation was computed. [2022-07-20 23:41:18,545 INFO L899 garLoopResultBuilder]: For program point L332(lines 332 1034) no Hoare annotation was computed. [2022-07-20 23:41:18,546 INFO L899 garLoopResultBuilder]: For program point L597(lines 597 607) no Hoare annotation was computed. [2022-07-20 23:41:18,546 INFO L899 garLoopResultBuilder]: For program point L597-2(lines 597 607) no Hoare annotation was computed. [2022-07-20 23:41:18,546 INFO L899 garLoopResultBuilder]: For program point L201-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:41:18,546 INFO L899 garLoopResultBuilder]: For program point L135-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:41:18,546 INFO L899 garLoopResultBuilder]: For program point L69-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:41:18,546 INFO L899 garLoopResultBuilder]: For program point L862(lines 862 1034) no Hoare annotation was computed. [2022-07-20 23:41:18,546 INFO L899 garLoopResultBuilder]: For program point L466(lines 466 1034) no Hoare annotation was computed. [2022-07-20 23:41:18,546 INFO L899 garLoopResultBuilder]: For program point L202(line 202) no Hoare annotation was computed. [2022-07-20 23:41:18,546 INFO L899 garLoopResultBuilder]: For program point L136(line 136) no Hoare annotation was computed. [2022-07-20 23:41:18,546 INFO L899 garLoopResultBuilder]: For program point L70(line 70) no Hoare annotation was computed. [2022-07-20 23:41:18,546 INFO L899 garLoopResultBuilder]: For program point L797(lines 797 1034) no Hoare annotation was computed. [2022-07-20 23:41:18,546 INFO L899 garLoopResultBuilder]: For program point L401(lines 401 1034) no Hoare annotation was computed. [2022-07-20 23:41:18,546 INFO L899 garLoopResultBuilder]: For program point L270(lines 270 1034) no Hoare annotation was computed. [2022-07-20 23:41:18,546 INFO L899 garLoopResultBuilder]: For program point L204-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:41:18,547 INFO L899 garLoopResultBuilder]: For program point L138-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:41:18,547 INFO L899 garLoopResultBuilder]: For program point L72-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:41:18,547 INFO L899 garLoopResultBuilder]: For program point L205(line 205) no Hoare annotation was computed. [2022-07-20 23:41:18,547 INFO L899 garLoopResultBuilder]: For program point L139(line 139) no Hoare annotation was computed. [2022-07-20 23:41:18,547 INFO L899 garLoopResultBuilder]: For program point L73(line 73) no Hoare annotation was computed. [2022-07-20 23:41:18,547 INFO L899 garLoopResultBuilder]: For program point L998(lines 998 1034) no Hoare annotation was computed. [2022-07-20 23:41:18,547 INFO L899 garLoopResultBuilder]: For program point L668(lines 668 1034) no Hoare annotation was computed. [2022-07-20 23:41:18,547 INFO L899 garLoopResultBuilder]: For program point L536(lines 536 1034) no Hoare annotation was computed. [2022-07-20 23:41:18,547 INFO L899 garLoopResultBuilder]: For program point L339(lines 339 1034) no Hoare annotation was computed. [2022-07-20 23:41:18,547 INFO L899 garLoopResultBuilder]: For program point L207-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:41:18,547 INFO L899 garLoopResultBuilder]: For program point L141-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:41:18,547 INFO L899 garLoopResultBuilder]: For program point L75-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:41:18,547 INFO L899 garLoopResultBuilder]: For program point L802(lines 802 1034) no Hoare annotation was computed. [2022-07-20 23:41:18,547 INFO L899 garLoopResultBuilder]: For program point L208(line 208) no Hoare annotation was computed. [2022-07-20 23:41:18,547 INFO L899 garLoopResultBuilder]: For program point L142(line 142) no Hoare annotation was computed. [2022-07-20 23:41:18,548 INFO L899 garLoopResultBuilder]: For program point L76(line 76) no Hoare annotation was computed. [2022-07-20 23:41:18,548 INFO L899 garLoopResultBuilder]: For program point L869(lines 869 1034) no Hoare annotation was computed. [2022-07-20 23:41:18,548 INFO L899 garLoopResultBuilder]: For program point L473(lines 473 1034) no Hoare annotation was computed. [2022-07-20 23:41:18,548 INFO L899 garLoopResultBuilder]: For program point L275(lines 275 1034) no Hoare annotation was computed. [2022-07-20 23:41:18,548 INFO L899 garLoopResultBuilder]: For program point L408(lines 408 1034) no Hoare annotation was computed. [2022-07-20 23:41:18,548 INFO L899 garLoopResultBuilder]: For program point L210-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:41:18,548 INFO L899 garLoopResultBuilder]: For program point L144-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:41:18,548 INFO L899 garLoopResultBuilder]: For program point L78-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:41:18,548 INFO L899 garLoopResultBuilder]: For program point L1003(lines 1003 1034) no Hoare annotation was computed. [2022-07-20 23:41:18,548 INFO L899 garLoopResultBuilder]: For program point L937(lines 937 1034) no Hoare annotation was computed. [2022-07-20 23:41:18,548 INFO L899 garLoopResultBuilder]: For program point L673(lines 673 1034) no Hoare annotation was computed. [2022-07-20 23:41:18,548 INFO L899 garLoopResultBuilder]: For program point L541(lines 541 1034) no Hoare annotation was computed. [2022-07-20 23:41:18,548 INFO L899 garLoopResultBuilder]: For program point L409(lines 409 420) no Hoare annotation was computed. [2022-07-20 23:41:18,548 INFO L899 garLoopResultBuilder]: For program point L409-2(lines 409 420) no Hoare annotation was computed. [2022-07-20 23:41:18,549 INFO L899 garLoopResultBuilder]: For program point L211(line 211) no Hoare annotation was computed. [2022-07-20 23:41:18,549 INFO L899 garLoopResultBuilder]: For program point L145(line 145) no Hoare annotation was computed. [2022-07-20 23:41:18,549 INFO L899 garLoopResultBuilder]: For program point L79(line 79) no Hoare annotation was computed. [2022-07-20 23:41:18,549 INFO L899 garLoopResultBuilder]: For program point L608(lines 608 1034) no Hoare annotation was computed. [2022-07-20 23:41:18,549 INFO L899 garLoopResultBuilder]: For program point L344(lines 344 1034) no Hoare annotation was computed. [2022-07-20 23:41:18,549 INFO L899 garLoopResultBuilder]: For program point L278(lines 278 1034) no Hoare annotation was computed. [2022-07-20 23:41:18,549 INFO L899 garLoopResultBuilder]: For program point L741(lines 741 1034) no Hoare annotation was computed. [2022-07-20 23:41:18,549 INFO L899 garLoopResultBuilder]: For program point L213-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:41:18,549 INFO L899 garLoopResultBuilder]: For program point L147-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:41:18,550 INFO L899 garLoopResultBuilder]: For program point L81-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:41:18,550 INFO L899 garLoopResultBuilder]: For program point L214(line 214) no Hoare annotation was computed. [2022-07-20 23:41:18,550 INFO L899 garLoopResultBuilder]: For program point L148(line 148) no Hoare annotation was computed. [2022-07-20 23:41:18,550 INFO L899 garLoopResultBuilder]: For program point L82(line 82) no Hoare annotation was computed. [2022-07-20 23:41:18,550 INFO L899 garLoopResultBuilder]: For program point L875(lines 875 1034) no Hoare annotation was computed. [2022-07-20 23:41:18,550 INFO L899 garLoopResultBuilder]: For program point L809(lines 809 1034) no Hoare annotation was computed. [2022-07-20 23:41:18,550 INFO L899 garLoopResultBuilder]: For program point L942(lines 942 1034) no Hoare annotation was computed. [2022-07-20 23:41:18,551 INFO L899 garLoopResultBuilder]: For program point L876(lines 876 885) no Hoare annotation was computed. [2022-07-20 23:41:18,551 INFO L899 garLoopResultBuilder]: For program point L876-2(lines 876 885) no Hoare annotation was computed. [2022-07-20 23:41:18,551 INFO L899 garLoopResultBuilder]: For program point L480(lines 480 1034) no Hoare annotation was computed. [2022-07-20 23:41:18,551 INFO L899 garLoopResultBuilder]: For program point L150-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:41:18,551 INFO L899 garLoopResultBuilder]: For program point L84-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:41:18,551 INFO L899 garLoopResultBuilder]: For program point L613(lines 613 1034) no Hoare annotation was computed. [2022-07-20 23:41:18,551 INFO L899 garLoopResultBuilder]: For program point L547(lines 547 1034) no Hoare annotation was computed. [2022-07-20 23:41:18,552 INFO L899 garLoopResultBuilder]: For program point L151(line 151) no Hoare annotation was computed. [2022-07-20 23:41:18,552 INFO L899 garLoopResultBuilder]: For program point L85(line 85) no Hoare annotation was computed. [2022-07-20 23:41:18,552 INFO L899 garLoopResultBuilder]: For program point L1010(lines 1010 1034) no Hoare annotation was computed. [2022-07-20 23:41:18,552 INFO L899 garLoopResultBuilder]: For program point L680(lines 680 1034) no Hoare annotation was computed. [2022-07-20 23:41:18,552 INFO L899 garLoopResultBuilder]: For program point L614(lines 614 624) no Hoare annotation was computed. [2022-07-20 23:41:18,552 INFO L899 garLoopResultBuilder]: For program point L614-2(lines 614 624) no Hoare annotation was computed. [2022-07-20 23:41:18,552 INFO L899 garLoopResultBuilder]: For program point L350(lines 350 1034) no Hoare annotation was computed. [2022-07-20 23:41:18,553 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-07-20 23:41:18,553 INFO L899 garLoopResultBuilder]: For program point L285(lines 285 1034) no Hoare annotation was computed. [2022-07-20 23:41:18,553 INFO L899 garLoopResultBuilder]: For program point L153-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:41:18,553 INFO L899 garLoopResultBuilder]: For program point L87-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:41:18,553 INFO L899 garLoopResultBuilder]: For program point L814(lines 814 1034) no Hoare annotation was computed. [2022-07-20 23:41:18,553 INFO L899 garLoopResultBuilder]: For program point L748(lines 748 1034) no Hoare annotation was computed. [2022-07-20 23:41:18,553 INFO L899 garLoopResultBuilder]: For program point L154(line 154) no Hoare annotation was computed. [2022-07-20 23:41:18,554 INFO L899 garLoopResultBuilder]: For program point L88(line 88) no Hoare annotation was computed. [2022-07-20 23:41:18,554 INFO L899 garLoopResultBuilder]: For program point L815(lines 815 825) no Hoare annotation was computed. [2022-07-20 23:41:18,554 INFO L899 garLoopResultBuilder]: For program point L815-2(lines 815 825) no Hoare annotation was computed. [2022-07-20 23:41:18,554 INFO L899 garLoopResultBuilder]: For program point L552(lines 552 1034) no Hoare annotation was computed. [2022-07-20 23:41:18,554 INFO L899 garLoopResultBuilder]: For program point L156-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:41:18,554 INFO L899 garLoopResultBuilder]: For program point L90-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:41:18,554 INFO L899 garLoopResultBuilder]: For program point L1015(lines 1015 1034) no Hoare annotation was computed. [2022-07-20 23:41:18,555 INFO L899 garLoopResultBuilder]: For program point L949(lines 949 1034) no Hoare annotation was computed. [2022-07-20 23:41:18,555 INFO L899 garLoopResultBuilder]: For program point L685(lines 685 1034) no Hoare annotation was computed. [2022-07-20 23:41:18,555 INFO L899 garLoopResultBuilder]: For program point L487(lines 487 1034) no Hoare annotation was computed. [2022-07-20 23:41:18,555 INFO L899 garLoopResultBuilder]: For program point L421(lines 421 1034) no Hoare annotation was computed. [2022-07-20 23:41:18,555 INFO L899 garLoopResultBuilder]: For program point L157(line 157) no Hoare annotation was computed. [2022-07-20 23:41:18,555 INFO L899 garLoopResultBuilder]: For program point L91(line 91) no Hoare annotation was computed. [2022-07-20 23:41:18,555 INFO L899 garLoopResultBuilder]: For program point L950(lines 950 962) no Hoare annotation was computed. [2022-07-20 23:41:18,556 INFO L899 garLoopResultBuilder]: For program point L950-2(lines 950 962) no Hoare annotation was computed. [2022-07-20 23:41:18,556 INFO L899 garLoopResultBuilder]: For program point L488(lines 488 496) no Hoare annotation was computed. [2022-07-20 23:41:18,556 INFO L899 garLoopResultBuilder]: For program point L488-2(lines 488 496) no Hoare annotation was computed. [2022-07-20 23:41:18,556 INFO L899 garLoopResultBuilder]: For program point L356(lines 356 1034) no Hoare annotation was computed. [2022-07-20 23:41:18,556 INFO L899 garLoopResultBuilder]: For program point L290(lines 290 1034) no Hoare annotation was computed. [2022-07-20 23:41:18,556 INFO L899 garLoopResultBuilder]: For program point L224(lines 224 1034) no Hoare annotation was computed. [2022-07-20 23:41:18,556 INFO L899 garLoopResultBuilder]: For program point L753(lines 753 1034) no Hoare annotation was computed. [2022-07-20 23:41:18,557 INFO L899 garLoopResultBuilder]: For program point L159-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:41:18,557 INFO L899 garLoopResultBuilder]: For program point L93-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:41:18,557 INFO L899 garLoopResultBuilder]: For program point L886(lines 886 1034) no Hoare annotation was computed. [2022-07-20 23:41:18,557 INFO L899 garLoopResultBuilder]: For program point L160(line 160) no Hoare annotation was computed. [2022-07-20 23:41:18,557 INFO L899 garLoopResultBuilder]: For program point L94(line 94) no Hoare annotation was computed. [2022-07-20 23:41:18,557 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-07-20 23:41:18,557 INFO L899 garLoopResultBuilder]: For program point L162-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:41:18,558 INFO L899 garLoopResultBuilder]: For program point L96-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:41:18,558 INFO L899 garLoopResultBuilder]: For program point L691(lines 691 1034) no Hoare annotation was computed. [2022-07-20 23:41:18,558 INFO L899 garLoopResultBuilder]: For program point L625(lines 625 1034) no Hoare annotation was computed. [2022-07-20 23:41:18,558 INFO L899 garLoopResultBuilder]: For program point L559(lines 559 1034) no Hoare annotation was computed. [2022-07-20 23:41:18,558 INFO L899 garLoopResultBuilder]: For program point L427(lines 427 1034) no Hoare annotation was computed. [2022-07-20 23:41:18,558 INFO L899 garLoopResultBuilder]: For program point L163(line 163) no Hoare annotation was computed. [2022-07-20 23:41:18,558 INFO L899 garLoopResultBuilder]: For program point L97(line 97) no Hoare annotation was computed. [2022-07-20 23:41:18,559 INFO L899 garLoopResultBuilder]: For program point L1022(lines 1022 1034) no Hoare annotation was computed. [2022-07-20 23:41:18,559 INFO L899 garLoopResultBuilder]: For program point L891(lines 891 1034) no Hoare annotation was computed. [2022-07-20 23:41:18,559 INFO L899 garLoopResultBuilder]: For program point L363(lines 363 1034) no Hoare annotation was computed. [2022-07-20 23:41:18,559 INFO L899 garLoopResultBuilder]: For program point L297(lines 297 1034) no Hoare annotation was computed. [2022-07-20 23:41:18,559 INFO L899 garLoopResultBuilder]: For program point L231(lines 231 1034) no Hoare annotation was computed. [2022-07-20 23:41:18,559 INFO L899 garLoopResultBuilder]: For program point L165-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:41:18,559 INFO L899 garLoopResultBuilder]: For program point L99-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:41:18,560 INFO L899 garLoopResultBuilder]: For program point L33(lines 33 35) no Hoare annotation was computed. [2022-07-20 23:41:18,560 INFO L899 garLoopResultBuilder]: For program point L33-2(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:41:18,560 INFO L899 garLoopResultBuilder]: For program point L826(lines 826 1034) no Hoare annotation was computed. [2022-07-20 23:41:18,560 INFO L899 garLoopResultBuilder]: For program point L760(lines 760 1034) no Hoare annotation was computed. [2022-07-20 23:41:18,560 INFO L899 garLoopResultBuilder]: For program point L166(line 166) no Hoare annotation was computed. [2022-07-20 23:41:18,560 INFO L899 garLoopResultBuilder]: For program point L100(line 100) no Hoare annotation was computed. [2022-07-20 23:41:18,560 INFO L899 garLoopResultBuilder]: For program point L34(line 34) no Hoare annotation was computed. [2022-07-20 23:41:18,561 INFO L899 garLoopResultBuilder]: For program point L497(lines 497 1034) no Hoare annotation was computed. [2022-07-20 23:41:18,563 INFO L356 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 23:41:18,565 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-20 23:41:18,587 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 11:41:18 BoogieIcfgContainer [2022-07-20 23:41:18,587 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-20 23:41:18,588 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-20 23:41:18,588 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-20 23:41:18,588 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-20 23:41:18,589 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 11:40:50" (3/4) ... [2022-07-20 23:41:18,591 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-07-20 23:41:18,610 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-07-20 23:41:18,611 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-07-20 23:41:18,612 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-07-20 23:41:18,613 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-20 23:41:18,704 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-07-20 23:41:18,705 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-20 23:41:18,705 INFO L158 Benchmark]: Toolchain (without parser) took 29962.71ms. Allocated memory was 54.5MB in the beginning and 478.2MB in the end (delta: 423.6MB). Free memory was 30.1MB in the beginning and 358.6MB in the end (delta: -328.5MB). Peak memory consumption was 94.2MB. Max. memory is 16.1GB. [2022-07-20 23:41:18,705 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 54.5MB. Free memory was 36.1MB in the beginning and 36.1MB in the end (delta: 52.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-20 23:41:18,706 INFO L158 Benchmark]: CACSL2BoogieTranslator took 686.16ms. Allocated memory was 54.5MB in the beginning and 67.1MB in the end (delta: 12.6MB). Free memory was 29.9MB in the beginning and 31.6MB in the end (delta: -1.7MB). Peak memory consumption was 11.2MB. Max. memory is 16.1GB. [2022-07-20 23:41:18,706 INFO L158 Benchmark]: Boogie Procedure Inliner took 106.39ms. Allocated memory is still 67.1MB. Free memory was 31.4MB in the beginning and 31.3MB in the end (delta: 70.8kB). Peak memory consumption was 3.9MB. Max. memory is 16.1GB. [2022-07-20 23:41:18,706 INFO L158 Benchmark]: Boogie Preprocessor took 130.63ms. Allocated memory is still 67.1MB. Free memory was 31.3MB in the beginning and 34.1MB in the end (delta: -2.8MB). Peak memory consumption was 15.3MB. Max. memory is 16.1GB. [2022-07-20 23:41:18,707 INFO L158 Benchmark]: RCFGBuilder took 1317.84ms. Allocated memory was 67.1MB in the beginning and 115.3MB in the end (delta: 48.2MB). Free memory was 34.1MB in the beginning and 58.7MB in the end (delta: -24.6MB). Peak memory consumption was 26.9MB. Max. memory is 16.1GB. [2022-07-20 23:41:18,707 INFO L158 Benchmark]: TraceAbstraction took 27599.11ms. Allocated memory was 115.3MB in the beginning and 478.2MB in the end (delta: 362.8MB). Free memory was 58.4MB in the beginning and 373.3MB in the end (delta: -314.9MB). Peak memory consumption was 327.3MB. Max. memory is 16.1GB. [2022-07-20 23:41:18,707 INFO L158 Benchmark]: Witness Printer took 116.66ms. Allocated memory is still 478.2MB. Free memory was 373.3MB in the beginning and 358.6MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-07-20 23:41:18,709 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 54.5MB. Free memory was 36.1MB in the beginning and 36.1MB in the end (delta: 52.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 686.16ms. Allocated memory was 54.5MB in the beginning and 67.1MB in the end (delta: 12.6MB). Free memory was 29.9MB in the beginning and 31.6MB in the end (delta: -1.7MB). Peak memory consumption was 11.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 106.39ms. Allocated memory is still 67.1MB. Free memory was 31.4MB in the beginning and 31.3MB in the end (delta: 70.8kB). Peak memory consumption was 3.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 130.63ms. Allocated memory is still 67.1MB. Free memory was 31.3MB in the beginning and 34.1MB in the end (delta: -2.8MB). Peak memory consumption was 15.3MB. Max. memory is 16.1GB. * RCFGBuilder took 1317.84ms. Allocated memory was 67.1MB in the beginning and 115.3MB in the end (delta: 48.2MB). Free memory was 34.1MB in the beginning and 58.7MB in the end (delta: -24.6MB). Peak memory consumption was 26.9MB. Max. memory is 16.1GB. * TraceAbstraction took 27599.11ms. Allocated memory was 115.3MB in the beginning and 478.2MB in the end (delta: 362.8MB). Free memory was 58.4MB in the beginning and 373.3MB in the end (delta: -314.9MB). Peak memory consumption was 327.3MB. Max. memory is 16.1GB. * Witness Printer took 116.66ms. Allocated memory is still 478.2MB. Free memory was 373.3MB in the beginning and 358.6MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 136]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 283 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 27.5s, OverallIterations: 17, TraceHistogramMax: 7, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.2s, AutomataDifference: 14.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3485 SdHoareTripleChecker+Valid, 13.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3485 mSDsluCounter, 3444 SdHoareTripleChecker+Invalid, 10.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 424 mSDsCounter, 2292 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 12785 IncrementalHoareTripleChecker+Invalid, 15077 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2292 mSolverCounterUnsat, 3020 mSDtfsCounter, 12785 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 703 GetRequests, 670 SyntacticMatches, 1 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=10170occurred in iteration=16, InterpolantAutomatonStates: 66, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.3s AutomataMinimizationTime, 17 MinimizatonAttempts, 9738 StatesRemovedByMinimization, 13 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 135 NumberOfFragments, 559 HoareAnnotationTreeSize, 3 FomulaSimplifications, 9568 FormulaSimplificationTreeSizeReduction, 2.7s HoareSimplificationTime, 3 FomulaSimplificationsInter, 25284 FormulaSimplificationTreeSizeReductionInter, 1.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 4.8s InterpolantComputationTime, 6494 NumberOfCodeBlocks, 6494 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 6799 ConstructedInterpolants, 0 QuantifiedInterpolants, 21670 SizeOfPredicates, 8 NumberOfNonLiveVariables, 445 ConjunctsInSsa, 13 ConjunctsInUnsatCore, 19 InterpolantComputations, 16 PerfectInterpolantSequences, 8354/8513 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 1044]: Loop Invariant Derived loop invariant: ((((((((((((((((((a25 <= 10 && a29 <= 599999) && a3 == 1) && a4 == 1) && a8 == 15) || (((a25 == 11 && a29 <= 599998) && a4 == 1) && a8 == 15)) || (((a25 == 12 && a4 == 0) && a29 <= 599998) && a8 == 15)) || (((a25 == 13 && a29 <= 245) && a4 == 1) && a8 == 15)) || (((((a25 == 13 && 307 <= a23) || (a25 == 13 && a3 == 1)) && a29 <= 599998) && a4 == 1) && a8 == 15)) || ((((a25 == 11 && a29 <= 599999) && a3 == 1) && a4 == 1) && a8 == 15)) || (((a25 <= 10 && a29 <= 599998) && a4 == 1) && a8 == 15)) || ((((a4 == 0 && a25 == 11) && a29 <= 599998) && a23 <= 312) && a8 == 15)) || (((a4 == 0 && a29 + 22 <= 0) && a25 <= 10) && a8 == 15)) || ((((((a25 == 12 && 307 <= a23) && a29 <= 599998) && a3 == 1) && a4 == 1) && a8 == 15) && (!(input == 6) || a29 <= 277))) || ((((a29 + 21 <= 0 && a25 == 12) && a3 == 1) && a4 == 1) && a8 == 15)) || (((a25 == 12 && a29 + 22 <= 0) && a4 == 1) && a8 == 15)) || ((((a4 == 0 && a25 <= 10) && a29 <= 245) && a23 <= 138) && a8 == 15)) || (((((0 < a23 + 43 && a25 <= 10) && a3 == 1) && a23 <= 138) && a4 == 1) && a8 == 15)) || ((((a23 + 43 <= 0 && a4 == 0) && a25 <= 10) && a29 <= 599998) && a8 == 15)) || (((((a25 == 13 && a4 == 0) && a29 + 22 <= 0) && 0 < a23 + 43) && a23 <= 138) && a8 == 15) - InvariantResult [Line: 32]: Loop Invariant Derived loop invariant: ((((((((((((((((((a25 <= 10 && a29 <= 599999) && a3 == 1) && a4 == 1) && a8 == 15) || (((a25 == 11 && a29 <= 599998) && a4 == 1) && a8 == 15)) || (((a25 == 12 && a4 == 0) && a29 <= 599998) && a8 == 15)) || (((a25 == 13 && a29 <= 245) && a4 == 1) && a8 == 15)) || (((((a25 == 13 && 307 <= a23) || (a25 == 13 && a3 == 1)) && a29 <= 599998) && a4 == 1) && a8 == 15)) || ((((a25 == 11 && a29 <= 599999) && a3 == 1) && a4 == 1) && a8 == 15)) || (((a25 <= 10 && a29 <= 599998) && a4 == 1) && a8 == 15)) || ((((a4 == 0 && a25 == 11) && a29 <= 599998) && a23 <= 312) && a8 == 15)) || (((a4 == 0 && a29 + 22 <= 0) && a25 <= 10) && a8 == 15)) || ((((((a25 == 12 && 307 <= a23) && a29 <= 599998) && a3 == 1) && a4 == 1) && a8 == 15) && (!(input == 6) || a29 <= 277))) || ((((a29 + 21 <= 0 && a25 == 12) && a3 == 1) && a4 == 1) && a8 == 15)) || (((a25 == 12 && a29 + 22 <= 0) && a4 == 1) && a8 == 15)) || ((((a4 == 0 && a25 <= 10) && a29 <= 245) && a23 <= 138) && a8 == 15)) || (((((0 < a23 + 43 && a25 <= 10) && a3 == 1) && a23 <= 138) && a4 == 1) && a8 == 15)) || ((((a23 + 43 <= 0 && a4 == 0) && a25 <= 10) && a29 <= 599998) && a8 == 15)) || (((((a25 == 13 && a4 == 0) && a29 + 22 <= 0) && 0 < a23 + 43) && a23 <= 138) && a8 == 15) - InvariantResult [Line: 1038]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-07-20 23:41:18,736 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE